Campaign history of the Roman military

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This article is part of the series on: Military of ancient Rome (Portal) 800 BC - AD 476

Structural history

Roman army (unit types and ranks, legions, generals)

Roman navy (fleets, admirals)

Campaign history

Lists of Wars and Battles

Decorations and Punishments

Technological history

Military engineering (castra, siege engines, arches, roads)

Personal equipment

Political history

Strategy and tactics

Infantry tactics

Frontiers and fortifications (Limes, Hadrian's Wall)

The history of ancient Rome—originally a city-state of Italy, and later an empire covering much of Eurasia and North Africa from the ninth century BC to the fifth century AD—was often closely entwined with its military history. The core of the campaign history of the Roman military is the account of the Roman military's land battles, from its initial defence against and subsequent conquest of the city's hilltop neighbours in the Italian peninsula, to the ultimate struggle of the Western Roman Empire for its existence against invading Huns, Vandals and Germanic tribes after the empire's split into East and West. Despite the later Empire's encompassing of lands around the periphery of the Mediterranean sea, naval battles were typically less significant than land battles to the military history of Rome, due to its largely unchallenged dominance of the sea following fierce naval fighting during the First Punic War.

The Roman army battled first against its tribal neighbours and Etruscan towns within Italy, and later came to dominate much of the Mediterranean and further afield, including the provinces of Britannia and Asia Minor at the Empire's height. As with most ancient civilisations, Rome's military served the triple purposes of securing its borders, exploiting peripheral areas through measures such as imposing tribute on conquered peoples, and maintaining internal order.^[1] From the outset, Rome's military typified this pattern and the majority of Rome's campaigns were characterised by one of two types: the first is the territorial expansionist campaign, normally begun as a counter-offensive,^[2] in which each victory brought subjugation of large areas of territory and allowed Rome to grow from a small town to the third largest empire in the ancient world, encompassing around one quarter of the world's total population;^[3] the second is the civil war of which examples plagued Rome right from its foundation to its eventual demise.

Roman armies were not invincible, despite their formidable reputation and host of victories:^[4] over the centuries the Romans "produced their share of incompetents"^[5] who led Roman armies into catastrophic defeats. Nevertheless, it was generally the fate of even the greatest of Rome's enemies, such as Pyrrhus and Hannibal,^[6] to win the battle but lose the war. The history of Rome's campaigning is, if nothing else, a history of obstinate persistence overcoming appalling losses.^[7][8]

Contents 1 Pre-Republic (756 BC - 459 BC) 2 Early Roman Republic (458 BC - 282 BC) 2.1 Early Italian campaigns (458-396 BC) 2.2 Celtic invasion of Italia (390-387 BC) 2.3 Roman expansion into Italia (343-282 BC) 3 Mid-Roman Republic (281 BC - 148 BC) 3.1 Pyrrhic War (280-275 BC) 3.2 Punic Wars (264-146 BC) 3.3 Conquest of the Iberian peninsula (218-19 BC) 3.4 Greece and Macedonia (215-148 BC) 4 Late Roman Republic (147 BC - 30 BC) 4.1 Jugurthine War (111-104 BC) 4.2 Resurgence of the Celtic threat (121-101 BC) 4.3 Internal unrest (135-71 BC) 4.4 Conflicts with Mithridates (89-63 BC) 4.5 Campaign against the Cilician pirates (67 BC) 4.6 Caesar's early campaigns (59-50 BC) 4.7 Triumvirates, Caesarian ascension, and revolt (53-30 BC) 5 Early Roman Empire to mid-Roman Empire (30 BC - 180 AD) 5.1 Imperial expansion (40 BC-117) 5.2 Year of the Four Emperors (69) 5.3 Jewish revolts (66-135) 5.4 Struggle with Parthia (161-217) 6 Late Roman Empire (180 AD - 476 AD) 6.1 Migration period (163-378) 6.2 Usurpers (193-394) 6.3 Struggle with the Sassanid Empire (230-363) 6.4 Collapse of the Western Empire (402-476) 7 Assessment 8 Citations 9 Bibliography

[edit] Pre-Republic (756 BC - 459 BC)

Apocryphal Roman Wars
The Rape of the Sabine Women - Caenina - Antemnae - Crustumerium - Fidenae - Veii - Albans - Medullia - Apiloae - Collatia

Wars of Etruscan Rome
Veii - Gabii - Rutuli

Rome is almost unique in the ancient world in that its history, military and otherwise, is documented often in great detail almost from the city's very foundation right through to its eventual demise. Although some histories have sadly been lost, such as Trajan's account of the Dacian Wars, and others, such as Rome's earliest histories, are at least semi-apocryphal, nevertheless the extant histories of Rome's military history are extensive.

The very earliest history, from the time of Rome's founding as a small tribal village,^[9] through to the downfall of Rome's kings, is the least well preserved. This is because, whilst the early Romans were literate to some degree,^[10] they either lacked the will to record their history at this time, or else such histories as they did record were lost.^[11]

Although the Roman historian Livy lists a series of seven kings of early Rome in his work Ab Urbe Condita, from its establishment and through its earliest years, the first four 'kings' (Romulus,^[12] Numa,^[13][14] Tullus Hostilius^[15][14] and Ancus Marcius^[16][14]) are almost certainly entirely apocryphal. Grant and others argue that prior to the time when the Etruscan kingdom of Rome was established under the traditionally fifth king Tarquinius Priscus,^[17] Rome would have been led by a religious leader of some sort.^[18] Very little is known of Rome's military history during this era and what history has come down to us is of a legendary rather than factual nature. Traditionally, Romulus fortified one of the first-settled of Rome's seven hills, the Palatine Hill, after founding the city and Livy states that shortly after its founding Rome was "equal to any of the surrounding cities in her prowess in war".^[19]

"Events before the city was founded or planned, which have been handed down more as pleasing poetic fictions than as reliable records of historical events, I intend neither to affirm nor to refute. To antiquity we grant the indulgence of making the origins of cities more impressive by comingling the human with the divine, and if any people should be permitted to sanctify its inception and reckon the gods as its founders, surely the glory of the Roman people in war is such that, when it boasts Mars in particular as its parent... the nations of the world would as easily acquiesce in this claim as they do in our rule."

Livy, on Rome's early history[20]

The first campaign, if such it can be called, that was fought by the Romans in this legendary account is their seizing of the women from several nearby villages habited by the Sabine people for purposes of "begetting their children",^[21] an event known as The Rape of the Sabine Women. According to Livy, the Sabine village of Caenina responded first by invading Roman territory, but were routed and their city captured. The Sabines of Antemnae were defeated next in a similar fashion, and again the Sabines of Crustumerium. The remaining main body of the Sabines attacked Rome and briefly captured the citadel, but were then routed.^[22]

There were further wars against the Fidenae,^[23] Veientes, the Albans,^[24] the Medullia, the Apiolae,^[25] and the Collatia.^[26]

Under the Etruscan kings Tarquinius Priscus,^[27] Servius Tullius^[28][22] and Tarquinius Superbus^[29][22] Rome expanded to the north-west, coming into conflict again with the Veientes after the expiry of the treaty that concluded their earlier war.^[30] There was a further campaign against the Gabii,^[31][32] and later against the Rutuli.^[33] The Etruscan kings were overthrown^[34] as part of a wider reduction in Etruscan power in the region during this period, and Rome reformed itself as a republic,^[35][36] a form of government based on popular representation and in contrast to its previous autocratic kingship.

[edit] Early Roman Republic (458 BC - 282 BC)

[edit] Early Italian campaigns (458-396 BC)

Rome's Early Italian Campaigns
1st Rome - 2nd Rome - Lake Regillus - Cremera - Mons Algidus - Corbione - Fidenae - Veii

The first non-apocryphal Roman wars were wars of both expansion and defence, aimed at protecting Rome itself from neighbouring cities and nations and establishing its territory in the region.^[37] Florus writes that at this time

"their neighbours, on every side, were continually harassing them... and, at whatever gate they went out, were sure to meet a foe"^[34]

Although sources disagree, it is possible that Rome itself was twice invested by Etruscan armies in this period, first in around 509 BC under the recently-overthrown king Tarquinius Superbus,^[38][39] and again in 508 BC under the Etruscan Lars Porsenna.^{[40][38][41][34]}

Initially, Rome's immediate neighbours were either Latin towns and villages^[42] on a similar tribal system to Rome itself, or else tribal Sabines from the Apennine hills beyond.^[43] One by one Rome defeated both the persistent Sabines and the local cities that were either under Etruscan control or else Latin towns that had cast off their Etruscan rulers, as had Rome.^[43] Rome defeated the Lavinii and Tusculi in the Battle of Lake Regillus in 496 BC,^[44][45][42] the Sabines in an Unknown Battle in 449 BC,^[44] the Aequi in the Battle of Mons Algidus in 458 BC and the Battle of Corbione in 446 BC^[46]), the Volsci^[47] in the Battle of Corbione^[48] in 446 BC and the Capture of Antium in 377 BC^[49]), the Aurunci in the Battle of Aricia,^[50] and the Veientes in the Battle of the Cremera in 477 BC,^[51][52] the Capture of Fidenae in 435 BC^[53][52] and the Siege of Veii in 396 BC.^{[48][53][52][54]} After defeating the Veientes, the Romans had effectively completed the conquest of their immediate Etruscan neighbours,^[55] as well as secured their position against the immediate threat posed by the tribespeople of the Apennine hills.

However, Rome still controlled only a very limited area and the affairs of Rome were minor even to those in Italy: the remains of Veii, for instance, lie entirely within modern Rome's suburbs^[48] and Rome's affairs were only just coming to the attention of the Greeks, the dominant cultural force at the time.^[56] At this point the bulk of Italy remained in the hands of Latin, Sabine, Samnite and other peoples in the central part of Italy, Greek colonies to the south, and, notably, the Celtic people, including the Gauls, to the north. The Celtic civilisation at this time was vibrant and growing in strength and territory, and stretched, if incohesively, across much of mainland Europe. It is at the hands of the Gallic Celts that Rome suffered a humiliating defeat that temporarily set back its advance and was to imprint itself upon the Roman consciousness.

[edit] Celtic invasion of Italia (390-387 BC)

Roman-Gaulish Wars
Allia River - Arretium – Lake Vadimo – Faesulae – Telamon – Clastidium - Cremona – Mutina

By 390 BC, several Gallic tribes had begun invading Italy from the north as their culture expanded throughout Europe. Most of this was unknown to the Romans at this time, who still had purely local security concerns, but the Romans were alerted when a particularly warlike tribe,^[56][57] the Senones,^[57] invaded the Etruscan province of Siena from the north and attacked the town of Clusium,^[58] not far from Rome's sphere of influence. The Clusians, overwhelmed by the size of the enemy in numbers and ferocity, called on Rome for help. Perhaps unintentionally^[56] the Romans found themselves not just in conflict with the Senones, but their primary target.^[58] The Romans met them in pitched battle at the Battle of Allia River^[56][57] around 390-387 BC. The Gauls defeated the Roman army of around 15,000 troops^[56] and proceeded to pursue the fleeing Romans back to Rome itself and partially sacked the town^[59][60] before being either driven off^[61][57][62] or bought off.^[56][58]

Now that the Romans and Gauls had blooded one another, intermittent warfare was to continue between the two in Italy for more than two centuries, including the Battle of the Anio,^[57] the Battle of Lake Vadimo,^[57] the Battle of Faesulae in 225 BC, the Battle of Telamon in 224 BC, the Battle of Clastidium in 222 BC, the Battle of Cremona in 200 BC, the Battle of Mutina in 194 BC, the Battle of Arausio in 105 BC, and the Battle of Vercellae in 101 BC. The Celtic problem would not be resolved for Rome until the final subjugation of all Gaul following the Battle of Alesia in 52 BC.

[edit] Roman expansion into Italia (343-282 BC)

Ancient Unification of Italy
Samnite Wars – Latin War – Pyrrhic War – Social War

Samnite Wars
Mons Gaurus - Suessola - Neapolis - Caudine Forks – Lautulae – Bovianum Camerinum - Sentinum - Aquilonia

After recovering surprisingly swiftly from the sack of Rome,^[63] the Romans immediately resumed their expansion within Italy. Despite their successes so far, their mastery of the whole of Italy was by no means assured at this point: the Samnites were a people just as martial^[64] and as rich^[65] as the Romans and with an objective of their own of securing more lands in the fertile^[65] Italian plains on which Rome itself lay.^[66] The First Samnite War of between 343 BC and 341 BC that followed widespread Samnite incursions into Rome's territory^[67] was a relatively short affair: the Romans beat the Samnites in both the Battle of Mount Gaurus in 342 BC and the Battle of Suessola in 341 BC but were forced to withdraw from the war before they could pursue the conflict further due to the revolt of several of their Latin allies in the Latin War.^[68][69]

Rome was therefore forced to contend by around 340 BC against both Samnite incursions into their territory and, simultaneously, in a bitter war against their former allies. Rome bested the Latins in the Battle of Vesuvius and again in the Battle of Trifanum,^[69] after which the Latin cities were obliged to submit to Roman rule.^[70][71] Perhaps due to Rome's lenient treatment of their defeated foe,^[68] the Latins submitted largely amicably to Roman rule for the next 200 years.

The Second Samnite War , from 327 BC to 304 BC, was a much longer and more serious affair for both the Romans and Samnites,^[72] running for over twenty years and incorporating twenty-four battles^[65] that led to massive casualties on both sides. The fortunes of the two sides fluctuated throughout its course: the Samnites seized Neapolis in the Capture of Neapolis in 327 BC,^[72] which the Romans then re-captured before losing at the Battle of the Caudine Forks^[72][73][65] and the Battle of Lautulae. The Romans then proved victorious at the Battle of Bovianum and the tide turned strongly against the Samnites from 314 BC onwards, leading them to sue for peace with progressively less generous terms. By 304 BC the Romans had effectively annexed the greater degree of the Samnite territory, founding several colonies. This pattern of meeting aggression in force and almost inadvertently gaining territory in strategic counter-attacks was to become a common feature of Roman military history.

Seven years after their defeat, with Roman dominance of the area looking assured, the Samnites rose again and defeated the Romans at the Battle of Camerinum in 298 BC, to open the Third Samnite War. With this success in hand they managed to bring together a coalition of several previous enemies of Rome, all of whom were probably keen to prevent any one faction dominating the entire region. The army that faced the Romans at the Battle of Sentinum^[73] in 295 BC therefore included Samnites, Gauls, Etruscans and Umbrians.^[74] When the Roman army won a convincing victory over these combined forces it must have become clear that little could prevent Roman dominance of Italy. In the Battle of Populonia in 282 BC Rome finished off the last vestiges of Etruscan power in the region.

[edit] Mid-Roman Republic (281 BC - 148 BC)

[edit] Pyrrhic War (280-275 BC)

Pyrrhic War
Heraclea – Asculum – Beneventum

By the end of the third century BC, Rome had established itself as a major power on the Italian peninsula, but had not yet come into conflict with the dominant military powers in the Mediterranean at the time: Carthage and the Greek kingdoms. Rome had all but completely defeated the Samnites, mastered its fellow Latin towns, and greatly reduced Etruscan power in the region. However, the south of Italy was controlled by the Greek colonies of Magna Grecia^[75] who had been allied to the Samnites, and continued Roman expansion brought the two into inevitable conflict.^[76][77]

When a diplomatic dispute between Rome and the Greek colony of Tarentum^[78] erupted into open warfare in the naval Battle of Thurii,^[77] Tarentum appealed for military aid to Pyrrhus, ruler of Epirus.^[79][77] Motivated by his diplomatic obligations to Tarentum, and a personal desire for military accomplishment,^[80] Pyrrhus landed a Greek army of some 25,000 men^[77] and a contingent of war elephants^[77][81] on Italian soil in 280 B.C,^[82] where his forces were joined by some Greek colonists and a portion of the Samnites who revolted against Roman control.

The Roman army had not yet seen elephants in battle,^[81] and their inexperience turned the tide in Pyrrhus' favour at the Battle of Heraclea in 280 BC,^[77][83][81] and again at the Battle of Ausculum in 279 BC.^{[84][83][85][81]}Despite these victories, Pyrrhus found his position in Italy untenable. Rome steadfastly refused to negotiate with Pyrrhus as long as his army remained in Italy.^[86] Furthermore, Rome entered into a treaty of support with Carthage, and Pyrrhus found that despite his expectations, none of the other Italic peoples would defect to the Greek and Samnite cause.^[87] Facing unacceptably heavy losses with each encounter with the Roman army, and failing to find further allies in Italy, Pyrrhus withdrew from the peninsula and campaigned in Sicily against Carthage,^[88] abandoning his allies to deal with the Romans.^[76]

When his Sicilian campaign was also ultimately a failure, and at the request of his Italian allies, Pyrrhus returned to Italy to face Rome once more. In 275 BC, Pyrrhus again met the Roman army at the Battle of Beneventum.^[84] This time the Romans had devised methods to deal with the war elephants, including the use of javelins,^[84] fire^[88] and, one source claims, simply hitting the elephants heavily on the head.^[81] While Beneventum was indecisive,^[88] Pyrrhus realised that his army had been exhausted and reduced by years of foreign campaigns, and seeing little hope for further gains, he withdrew completely from Italy.

The conflicts with Pyrrhus would have a great effect on Rome, however. Rome had shown that it was capable of pitting its armies successfully against the dominant military powers of the Mediterranean, and further showed that the Greek kingdoms were incapable of defending their colonies in Italy and abroad. Rome quickly moved into southern Italia, subjugating and dividing Magna Grecia.^[89] Effectively dominating the Italian peninsula,^[90] and with a proven international military reputation,^[91] Rome now began to look outwards at expansion from the Italian mainland. Since the Alps formed a natural barrier to the north, and Rome was none too keen to meet the fierce Gauls in battle once more, the city's gaze turned to Sicily and the islands of the Mediterranean, a policy that would bring it into direct conflict with its former ally Carthage.^[92][91]

[edit] Punic Wars (264-146 BC)

First Punic War
Messina - Agrigentum – Lipari Islands – Mylae – Sulci – Tyndaris – Cape Ecnomus – Adys – Tunis – Panormus – Drepana – Lillybaeum - Drepana - Mt Ercte - 1st Mt Eryx - Tarentum - 2nd Mt Eryx - Aegates Islands

Second Punic War

Saguntum – Lilybaeum – Ticinus – Trebia – Cissa – Lake Trasimene – Ebro River – Ager Falernus – Geronium – Cannae – 1st Nola – Dertosa – 2nd Nola – Cornus – 3rd Nola – Beneventum – 1st Tarentum – 1st Capua – Silarus – 1st Herdonia – Syracuse – Upper Baetis – 2nd Capua – 2nd Herdonia – Cartagena – Numistro – Asculum – Tarentum – Baecula – Grumentum – Metaurus – Ilipa – Crotona – Bagbrades – Cirta – Po Valley – Great Plains – Zama

Third Punic War
Carthage

Rome first began to make war outside the Italian peninsula in the Punic wars against Carthage, a former Phoenician colony^[93] on the north coast of Africa that had developed into a powerful state. These wars, starting in 264 BC^[94] were probably the largest conflict of the ancient world^[95] and saw Rome become a Mediterranean power, with territory in Sicily, North Africa, Spain, and, after the Macedonian wars, Greece.

The First Punic War began in 264 BC when settlements on Sicily began to appeal to the two powers between which they lay - Rome and Carthage - in order to solve internal conflicts.^[94] The willingness of both Rome and Carthage to become embroiled on the soil of a third party may indicate a willingness to test each other's power without wishing to enter a full war of annihilation; certainly there was considerable disagreement within Rome about whether to prosecute the war at all.^[96] The war saw land battles in Sicily early on such as the Battle of Agrigentum but the theatre shifted to naval battles around Sicily and Africa. For the Romans naval warfare was a relatively unexplored concept.^[97] Before the First Punic War in 264 BC there was no Roman navy to speak of as all previous Roman wars had been fought in Italy. The new war in Sicily against Carthage, a great naval power,^[98] forced Rome to quickly build a fleet and train sailors.^[99]

Rome took to naval warfare "like a brick to water"^[92] and the first few naval battles of the First Punic War such as the Battle of the Lipari Islands were catastrophic disasters for Rome, as might fairly be expected from a city that had no real prior experience of naval warfare. However, after training more sailors and inventing a grappling engine known as a Corvus,^[100] a Roman naval force under C. Duillius was able to roundly defeat a Carthaginian fleet at the Battle of Mylae. In just 4 years, a state without any real naval experience had managed to better a major regional maritime power in battle. Further naval victories followed at the Battle of Tyndaris and Battle of Cape Ecnomus.^[101]

After having won control of the seas, a Roman force landed on the African coast under Regulus, who was at first victorious, winning the Battle of Adys^[102] and forcing Carthage to sue for peace.^[103] However the terms of peace that Rome proposed were so heavy that negotiations failed^[103] and, in response, the Carthaginians hired Xanthippus, a mercenary from the martial Greek city-state of Sparta, to reorganise and lead their army.^[104] Xanthippus managed to cut off the Roman army from its base by re-establishing Carthaginian naval supremacy, then defeated and captured Regulus^[105] at the Battle of Tunis.^[106]

Despite being defeated on African soil, with their newfound naval abilities, the Romans roundly beat the Carthaginians in naval battle again - largely through the tactical innovations of the Roman fleet^[94] - at the Battle of the Aegates Islands and leaving Carthage without a fleet or sufficient coin to raise one. For a maritime power the loss of their access to the Mediterranean stung financially and psychologically, and the Carthaginians again sued for peace,^[107] during which Rome battled the Ligures tribe in the Ligurian War^[108] and the Insubres in the Gallic War^[109]

Continuing distrust led to the renewal of hostilities in the Second Punic War when Hannibal Barca, a member of the Barcid family of Carthaginian nobility, attacked Saguntum,^[110][111] a city with diplomatic ties to Rome.^[112] Hannibal then raised an army in Spain and famously crossed the Italian Alps to invade Italy.^[113][114] In the first battle on Italian soil at Ticinus in 218 BC Hannibal defeated the Romans under Scipio the elder in a small cavalry fight.^[115][116] Hannibal's success continued with victories in the Battle of the Trebia,^[115][117] the Battle of Lake Trasimene,^[118][119] and the Battle of Cannae,^[120][121] in what is considered one of the great masterpieces of the tactical art, and for a while "Hannibal seemed invincible",^[113] able to beat Roman armies at will.^[122]

In the three battles of Nola, Roman general Marcus Claudius Marcellus managed to hold off Hannibal but then Hannibal smashed a succession of Roman consular armies at the First Battle of Capua, the Battle of the Silarus, the Second Battle of Herdonia, the Battle of Numistro and the Battle of Asculum. By this time Hannibal's brother Hasdrubal Barca sought to cross the Alps into Italy and join his brother with a second army. Although initially defeated in Spain in the Battle of Baecula the army of Gaius Claudius Nero defeated Hasdrubal at the Battle of the Metaurus.^[113]

"Apart from the romance of Scipio's personality and his political importance as the founder of Rome's world-dominion, his military work has a greater value to modern students of war than that of any other great captain of the past.. His genius revealed to him that peace and war are the two wheels on which the world runs."

BH Liddell Hart on Scipio Africanus Major[123]

Unable to defeat Hannibal himself on Italian soil, and with Hannibal savaging the Italian countryside but unwilling or unable to destroy Rome itself, the Romans boldly sent an army to Africa with the intention of threatening the Carthaginian capital.^[124] In 203 BC at the Battle of Bagbrades the invading Roman army under Scipio Africanus Major defeated the Carthaginian army of Hasdrubal Gisco and Syphax and Hannibal was recalled to Africa.^[113] At the famous Battle of Zama Scipio decisively defeated^[125] - perhaps even "annihilated"^[113] - Hannibal's army in North Africa, ending the Second Punic War.

Carthage never managed to recover after the Second Punic War^[126] and the Third Punic War that followed is in reality a simple punitive mission to raze the city of Carthage to the ground.^[127] Carthage was almost defenceless and when besieged offered immediate surrender, conceding to a string of outrageous Roman demands.^[128] The Romans refused the surrender, demanding as their further terms of surrender the complete destruction of the city^[129] and, seeing little to lose,^[129] the Carthaginians prepared to fight.^[128] In the Battle of Carthage the city was stormed after a short siege and completely destroyed,^[130] its culture "almost totally extinguished".^[131]

[edit] Conquest of the Iberian peninsula (218-19 BC)

Conquest of Hispania
Second Punic War - First Celtiberian War – Third Punic War – Lusitanian War - Numantine War – Sertorian War – Cantabrian Wars

Rome's conflict with the Carthaginians in the Punic Wars led them into expansion in the Iberian peninsula of modern-day Spain and Portugal.^[132] The Punic empire of the Carthaginian Barcid family consisted of territories in Iberia, many of which Rome gained control of during the Punic Wars. Italy remained the main theatre of war for much of the Second Punic War, but the Romans also aimed to destroy the Barcid Empire in Iberia and prevent major Punic allies from linking up with forces in Italy.

Over the years Rome had gradually expanded along the southern Iberian coast until in 211 BC it captured the city of Saguntum. Following two major military expeditions to Iberia, the Romans finally crushed Carthaginian control of the peninsula in 206 BC, at the Battle of Ilipa, and the peninsula became a Roman province known as Hispania. From 206 BC onwards the only opposition to Roman control of the peninsula came from within the native Celtiberian tribes themselves, the disunity of which prevented security from Roman expansion.^[132]

Following two small-scale rebellions in 197 BC,^[133] in 195-194 BC, war broke out in between the Romans and the Lusitani people in the Lusitanian War, in modern-day Portugal.^[134] By 179 BC, the Romans had mostly succeeded in pacifying the region and bringing it under their control.^[133]

In around 154 BC,^[133] a major revolt was re-ignited in Numantia, which is known as the First Numantine War,^[132] and a long war of resistance was fought between the advancing forces of the Roman Republic and the Lusitani tribes of Hispania. The praetor Servius Sulpicius Galba and the proconsul Lucius Licinius Lucullus arrived in 151 BC and began the process of subduing the local population.^[135] Galba betrayed the Lusitani leaders he had invited to peace talks and had them killed in 150 BC, ingloriously ending the first phase of the war.^[135]

The Lusitani revolted again in 146 BC under a new leader called Viriathus,^[133] invading Turdetania (southern Spain) in a guerilla war.^[136] The Lusitanians were initially successful, defeating a Roman army at the Battle of Tribola and going on to sack nearby Carpetania,^[137] and then besting a second Roman army at the First Battle of Mount Venus in 146 BC, again going on to sack another nearby city.^[137] In 144 BC, the general Quintus Fabius Maximus Aemilianus campaigned successfully against the Lusitani, but failed in his attempts to arrest Viriathus.

In 144 BC, Viriathus formed a league against Rome with several Celtiberian tribes^[138] and persuaded them to rise against Rome too, in the Second Numantine War.^[139] Viriathus' new coalition bested Roman armies at the Second Battle of Mount Venus in 144 BC and again at the failed Siege of Erisone.^[139] In 139 BC, Viriathus was finally killed in his sleep by three of his companions who had been promised gifts by Rome.^[140] In 136 and 135 BC, more attempts were made to gain complete control of the region of Numantia, but they failed. In 134 BC, the Consul Scipio Aemilianus finally succeeded in suppressing the rebellion following the successful Siege of Numantia.^[141]

Since the Roman invasion of the Iberian peninsula had begun in the south in the territories around the Mediterranean controlled by the Barcids, the last region of the peninsula to be subdued lay in the far north. The Cantabrian Wars or Astur-Cantabrian Wars, from 29 BC to 19 BC, occurred during the Roman conquest of these northern provinces of Cantabria and Asturias. Spain was fully occupied by 25 BC and the last revolt put down by 19 BC^[142]

[edit] Greece and Macedonia (215-148 BC)

Illyrian and Macedonian Wars
Illyrian - First - Second - Third - Fourth

First Macedonian War
First Lamia - Second Lamia

Second Macedonian War
Cynoscephalae

Third Macedonian War
Callicinus – Pydna

Fourth Macedonian War
Pydna (148 BC)

Roman-Syrian War
Thermopylae – Eurymedon – Myonessus – Magnesia

Rome's preoccupation with its war with Carthage provided an opportunity for Philip V of Macedon in northern Greece, to attempt to extend his power westward. Philip sent ambassadors to Hannibal's camp in Italy, to negotiate an alliance as common enemies of Rome.^[143][144] However, Rome discovered the agreement when Philip's emissaries, along with emissaries from Hannibal, were captured by a Roman fleet.^[143] Desiring to prevent Philip from aiding Carthage in Italy and elsewhere, Rome sought out land allies in Greece to fight a proxy war against Macedon on its behalf and found partners in the Aetolian League of Greek city-states,^[144] the Illyrians to the north of Macedon and the city-states of Pergamon^[145] and Rhodes,^[145] which lay across the Aegean from Macedon in modern-day Turkey.^[146]

The First Macedonian War saw the Romans involved directly in only limited land operations and when the Aetolians sued for peace with Philip once more Rome's small expeditionary force, with no more allies in Greece, but having achieved their objective of pre-occupying Philip and preventing him from aiding Hannibal, was ready to make peace.^[146] A treaty was drawn up between Rome and Macedon at Phoenice in 205 BC which promised Rome a small indemnity,^[130] formally ending the First Macedonian War.^[147]

Macedon began to encroach on territory claimed by several of the Greek city states in 200 BC and these states pleaded for help from their newfound ally Rome.^[148] Rome gave Philip an ultimatum that he must submit Macedonia to being essentially a Roman province. Philip, unsurprisingly, refused and, after initial internal reluctance for further hostilities,^[149] Rome declared war against Philip in the Second Macedonian War.^[148] In the Battle of the Aous Roman forces under Titus Quinctius Flamininus defeated the Macedonians,^[150] and in a second larger battle under the same opposing commanders in 197 BC, in the Battle of Cynoscephalae,^[151] Flamininus again beat the Macedonians decisively.^[150][152] Macedonia was forced to sign the Treaty of Tempea, in which it lost all claim to territory in Greece and Asia, and had to pay a war indemnity to Rome.^[153]

Between the second and third Macedonian wars Rome faced further conflict in the region due to a tapestry of shifting rivalries, alliances and leagues all seeking to gain greater influence. After the Macedonians had been defeated in the Second Macedonian War in 197 BC, the Greek city-state of Sparta stepped into the partial power vacuum in Greece. Fearing the Spartans would take increasing control of the region, the Romans drew on help from allies to prosecute the Roman-Spartan War, defeating a Spartan army at the Battle of Gythium in 195 BC.^[153] They also fought their former allies the Aetolian League in the Aetolian War,^[154] against the Istrians in the Istrian War,^[155] against the Illyrians in the Illyrian War,^[156] and against Achaia in the Achaean War.^[157]

Rome now turned its attentions to Antiochus III of the Seleucid Empire to the east. After campaigns as far abroad as Bactria, India, Persia and Judea, Antiochus moved to Asia Minor and Thrace^[158] to secure several coastal towns, a move that brought him into conflict with Roman interests. A Roman force under Manius Acilius Glabrio defeated Antiochus at the Battle of Thermopylae^[159] and forced him to evacuate Greece:^[160] the Romans then pursued the Seleucids beyond Greece, beating them again in naval battles at the Battle of the Eurymedon and Battle of Myonessus, and finally in a decisive engagement of the Battle of Magnesia.^[160][161]

In 179 BC Philip died^[162] and his talented and ambitious son, Perseus, took his throne and showed a renewed interest in Greece.^[163] He also allied himself with the warlike Bastarnae,^[163] and both this and his actions in Greece possibly violated the treaty signed with the Romans by his father or, if not, certainly was not "behaving as [Rome considered] a subordinate ally should".^[163] Rome declared war on Macedonia again, starting the Third Macedonian War. Perseus initially had greater military success against the Romans than his father, winning the Battle of Callicinus against a Roman consular army. However, as with all such ventures in this period, Rome responded by simply sending another army. The second consular army duly defeated the Macedonians at the Battle of Pydna in 168 BC^[164][162] and the Macedonians, lacking the reserve of the Romans and with King Perseus captured,^[165] duly capitulated, ending the Third Macedonian War.^[166]

The Fourth Macedonian War, fought from 150 BC to 148 BC, was the final war between Rome and Macedon and began when Andriscus usurped the Macedonian throne. The Romans raise a consular army under Quintus Caecilius Metellus, who swiftly defeated Andriscus at the Second battle of Pydna.

[edit] Late Roman Republic (147 BC - 30 BC)

[edit] Jugurthine War (111-104 BC)

Jugurthine War
Cirta - Suthul - Muthul - Thala

Rome had, in the earlier Punic Wars, gained large tracts of territory in Africa, which they had consolidated in the following centuries,^[167] and much of which had been granted to the kingdom of Numidia, a kingdom on the north African coast approximating to modern Algeria, in return for its past military assistance.^[168] The Jugurthine War of 111-104 BC was fought between Rome and Jugurtha of Numidia and constituted the final Roman pacification of Northern Africa,^[169] after which Rome largely ceased expansion on the continent after reaching natural barriers of desert and mountain. Following Jugurtha's usurpation of the Numidian throne,^[170] a loyal ally of Rome since the Punic Wars,^[171] Rome felt compelled to intervene. Jugurtha impudently bribed the Romans into accepting his usurpation^{[172][173][174]} and was granted half the kingdom. Following further aggression and further bribery attempts, the Romans sent an army to tackle him. The Romans were defeated at the Battle of Suthul^[175] but faired better at the Battle of the Muthul^[176] and finally defeated Jugurtha at the Battle of Thala,^[177][178] the Battle of Mulucha,^[179] and the Battle of Cirta(104 BC).^[180] Jugurtha was finally captured not in battle but by treachery,^[181][182] ending the war.^[183]

[edit] Resurgence of the Celtic threat (121-101 BC)

Cimbrian War
Noreia – Arausio – Aquae Sextiae – Vercellae

By 121 BC, memories of Rome itself being sacked by Celtic tribes from Gaul were still prominent despite their historical distance, having been made into a legendary account that was taught to each generation of Roman youth. However, Rome was, unknown at the time, to face a resurgent Celtic threat twice more within the next twenty years. First, in 121 BC, Rome came into contact with the Celtic tribes of the Allobroges and the Arverni, both of which they defeated with apparent in ease in the First Battle of Avignon near the Rhone river and the Second Battle of Avignon, the same year.^[184]

The Cimbrian War (113-101 BC) was a far more serious affair than the earlier clashes of 121 BC. The Celtic-Germanic tribes of the Cimbri^[185] and the Teutons or Teutones^[185] migrated from northern Europe into Rome's northern territories,^[186] and clashed with Rome and her allies.^[187] The Cimbrian War was the first time since the Second Punic War that Italia and Rome itself had been seriously threatened, and caused great fear in Rome^[187] for some time. After the Cimbri inadvertently granted the Romans a reprieve by diverting to plunder Spain,^[188] Rome was given the opportunity to carefully prepare for and successfully meet the Cimbri in battle^[186] in the Battle of Aquae Sextiae^[188] and the Battle of the Raudian Field.^[188]

[edit] Internal unrest (135-71 BC)

Servile Wars
First – Second – Third

Ancient Unification of Italy
Samnite Wars – Latin War – Pyrrhic War – Social War

The extensive campaigning abroad by Roman generals, and the rewarding of soldiers with plunder on these campaigns, led to a general trend of soldiers becoming increasingly loyal to their generals rather than to the state, and to a willingness to follow their generals in battle against the state.^[189] Rome was also plagued by several slave uprisings during this period, in part because in the past century vast tracts of land had been given over to slave farming in which the slaves greatly outnumbered their Roman masters. In the last century before the common era at least twelve civil wars and rebellions occurred. This pattern did not break until Octavian (later Caesar Augustus) ended it by becoming a successful challenger to the Senate's authority, and was made princeps (emperor).

Between 135 BC and 71 BC there were three "Servile Wars" involving slave uprisings against the Roman state, the third and final uprising the most serious,^[190] involving ultimately between 120,000^[191] and 150,000^[192] revolting slaves. Additionally, in 91 BC the Social War broke out between Rome and its former allies in Italy,^[193][194] collectively known as the Socii, over dissent among the allies that they shared the risk of Rome's military campaigns, but not its rewards.^{[195][196][186]} Despite defeats such as the Battle of Fucine Lake, Roman troops defeated the Italian militias in decisive engagements, notably the Battle of Asculum. Although they lost militarily, the Socii achieved their objectives with the legal proclamations of the Lex Julia and Lex Plautia Papiria, which granted citizenship to more than 500,000 Italians.^[195]

The internal unrest reached its most serious, however, in the two civil wars or marches upon Rome of the consul Lucius Cornelius Sulla at the beginning of 82 BC. In the Battle of the Colline Gate at the very door of the city of Rome, a Roman army under Sulla bested an army of the Roman senate, along with some Samnite allies.^[197] Whatever the rights and wrongs of his grievances against those in power of the state, his actions marked a watershed of the willingness of Roman troops to wage war against one another that was to pave the way for the wars of the triumvirate, the overthrowing of the Senate as the de facto head of the Roman state, and the eventual endemic usurpation of the later Empire.

[edit] Conflicts with Mithridates (89-63 BC)

First Mithridatic War
Amnias – Mount Scorobas – Orchomenus –Chaeronea – Tenedos

Second Mithridatic War
Magnesia on the Maeander - Amasra

Third Mithridatic War
Cyzicus – Cabira – Tigranocerta – Artaxata – Lycus

Mithridates the Great was the ruler of Pontus,^[198] a large kingdom in Asia Minor, from 120 to 63 BC. He is remembered as one of Rome's most formidable and successful enemies who engaged three of the most prominent generals of the late Roman Republic: Sulla, Lucullus, and Pompey the Great. In a pattern familiar from the Punic Wars, the Romans came into conflict with him after the two states' spheres of influence began to overlap. Mithridates antagonised Rome by seeking to expand his kingdom,^[199] and Rome for her part seemed equally keen for war and the spoils and prestige that it might bring.^[200][198] After conquering western Anatolia (modern Turkey) in 88 BC, Roman sources state that Mithridates ordered the killing of the majority of the 80,000 Romans living there.^[201] The massacre may have been greatly exaggerated by the Romans but it was the official reason given for the commencement of hostilities in the First Mithridatic War. The Roman general Lucius Cornelius Sulla forced Mithridates out of Greece proper after the Battle of Chaeronea and later Battle of Orchomenus but then had to return to Italy to answer the internal threat posed by his rival Marius; consequently, Mithridates VI was defeated but not beaten. A peace was made between Rome and Pontus, but this proved only a temporary lull.

The Second Mithridatic War began when Rome tried to annex Bithnyia as a province. In the Third Mithridatic War, first Lucius Licinius Lucullus and then Pompey the Great were sent against Mithridates.^[202] Mithridates was finally defeated by Pompey in the night-time Battle of the Lycus.^[203]

[edit] Campaign against the Cilician pirates (67 BC)

Rome against the Cilician Pirates
Korakesion

The Mediterranean had at this time fallen into the hands of pirates,^[204] largely from Cilicia.^[205] Rome had destroyed many of the states that had previously policed the Mediterranean with fleets, but had failed to step into the gap created.^[206] The pirates had seized the opportunity of a relative power vacuum and had not only strangled shipping lanes but had plundered many cities on the coasts of Greece and Asia,^[205] and had even made descents upon Italy itself.^[207] After the Roman admiral Marcus Antonius failed to clear the pirates to the satisfaction of the Roman authorities, Pompey was nominated his successor as commander of a special naval task force to campaign against the pirates.^[208][202] It took Pompey supposedly just forty days to clear the western portion of the sea of pirates,^[209][205] and restore communication between Spain, Africa, and Italy. Plutarch describes how Pompey first swept their craft from the Mediterranean in a series of small actions and through promise of honouring the surrender of cities and craft. He then followed the main body of the pirates to their strongholds on the coast of Cilicia, and destroyed them there in the naval Battle of Korakesion.^[210]

[edit] Caesar's early campaigns (59-50 BC)

Gallic Wars
Arar - Bibracte - Vosges - Axona – Sabis – Gergovia – Alesia

During a term as praetor in Spain Pompey's contemporary Julius Caesar of the Roman Julii clan defeated the Calaici and Lusitani in battle.^[211] Following a consular term, he was then appointed to a five year term as Proconsular Governor of Transalpine Gaul (current southern France) and Illyria (the coast of Dalmatia).^[212][211] Not content with an idle governorship, Caesar strove to find reason to invade Gaul, which would give him the dramatic military success he sought.^[213] To this end he stirred up popular nightmares of the first sack of Rome by the Gauls and the more recent spectre of the Cimbri and Teutones.^[213] When the Helvetii and Tigurini^[211] tribes began to migrate on a route that would take them near (not into)^[214] the Roman province of Transalpine Gaul, Caesar had the barely sufficient excuse he needed for his Gallic Wars, fought between 58 BC and 49 BC.^[215] After slaughtering the Helvetii tribe,^[216] Caesar prosecuted a "long, bitter and costly"^[217] campaign against other tribes across the breadth of Gaul, many of whom had fought alongside Rome against their common enemy the Helvetii,^[214] and annexed their territory to that of Rome. Plutarch claims that the campaign cost a million Gallic lives.^[218] Although "fierce and able"^[217] the Gauls were handicapped by internal disunity and fell in a series of battles over the course of a decade.^[217][219]

Caesar defeated the Helvetii in 58 BC at the Battle of the Arar and Battle of Bibracte,^[220] the Belgic confederacy known as the Belgae at the Battle of the Axona,^[216][211] the Nervii in 57 BC at the Battle of the Sabis,^[221][211] the Aquitani, Treviri, Tencteri, Aedui and Eburones in unknown battles,^[216] and the Veneti in 56 BC.^[216] In 55 and 54 BC he made two expeditions to Britain.^[222][216] In 52 BC, following the Siege of Avaricum and a string of inconclusive battles,^[223] Caesar defeated a union of Gauls led by Vercingetorix^[224] at the Battle of Alesia,^[225][226] completing the Roman conquest of Transalpine Gaul. By 50 BC, the entirety of Gaul lay in Roman hands.^[225] Caesar recorded his own accounts of these campaigns in Commentarii de Bello Gallico ("Commentaries on the Gallic War").

Gaul never regained its Celtic identity, never attempted another nationalist rebellion, and remained loyal to Rome until the fall of the Western Empire in 476. However, although Gaul itself was to thereafter remain loyal, cracks were appearing in the political unity of Rome's governing figures - partly over concerns over the loyalty of Caesar's Gallic troops to his person rather than the state^[217] - that were soon to dive Rome into a length series of civil wars.

[edit] Triumvirates, Caesarian ascension, and revolt (53-30 BC)

Caesar's Civil War
Massilia (land) – Ilerda – Massilia (naval) – Utica – Bagradas River – Dyrrhachium – Pharsalus – Ruspina - Thapsus – Munda

By 59 BC an unofficial political alliance known as the First Triumvirate was formed between Gaius Julius Caesar, Marcus Licinius Crassus, and Gnaeus Pompeius Magnus to share power and influence.^[227] It was always an uncomfortable alliance given that Crassus and Pompey intensely disliked one another. In 53 BC, Crassus launched a Roman invasion of the Parthian Empire. After initial successes,^[228] he marched his army deep into the desert;^[229] but here his army was cut off deep in enemy territory, surrounded and slaughtered^[216] at the Battle of Carrhae^[230][231] in "the greatest Roman defeat since Hannibal"^[232] in which Crassus himself perished.^[233] The death of Crassus removed some of the balance in the Triumvirate and, consequently, Caesar and Pompey began to move apart. While Caesar was fighting against Vercingetorix in Gaul, Pompey proceeded with a legislative agenda for Rome that revealed that he was at best ambivalent towards Caesar^[234] and perhaps now covertly allied with Caesar's political enemies. In 51 BC, some Roman senators demanded that Caesar would not be permitted to stand for Consul unless he turned over control of his armies to the state, and the same demands were made of Pompey by other factions.^[235][236] Relinquishing his army would leave Caesar defenceless before his enemies. Caesar chose Civil War over laying down his command and facing trial.^[235] The triumvirate was shattered and conflict was inevitable.

Pompey initially assured Rome and the senate that he could defeat Caesar in battle should he march on Rome.^[237][238] However, by the spring of 49 BC, when Caesar crossed the Rubicon river with his invading forces and swept down the Italian peninsula towards Rome, Pompey ordered the abandonment of Rome.^[237][238] Caesar's army was still under-strength, with certain units remaining in Gaul,^[237] but on the other hand Pompey himself only had a small force at his command, and that with uncertain loyalty having served under Caesar.^[238] Tom Holland attributes Pompey's willingness to abandon Rome to waves of panicking refugees stirring ancestral fears of invasions from the north.^[239] Pompey's forces retreated south towards Brundisium,^[240] and then fled to Greece.^[238][241] Caesar first directed his attention to the Pompeian stronghold of Spain^[242] but following campaigning by Caesar in the Siege of Massilia and Battle of Ilerda decided to tackle Pompey himself in Greece.^[243][244] Pompey initially defeated Caesar at the Battle of Dyrrachium in 48 BC^[245] but failing to follow up on the victory, Pompey was decisively defeated in the Battle of Pharsalus in 48 BC^[246][247] despite outnumbering Caesar's forces two to one.^[248] Pompey fled again, this time to Egypt, where he was murdered^[249][250] in an attempt to ingratiate the country with Caesar and avoid a war with Rome.^[232][246]

Pompey's death did not see the end of the civil wars since initially Caesar's enemies were manifold and Pompey's supporters continued to fight on after his death. In 46 BC Caesar lost perhaps as much as a third of his army when his former commander Titus Labienus, who had defected to the Pompeians several years earlier, defeated him at the Battle of Ruspina. However, after this low point Caesar came back to defeat the Pompeian army of Metellus Scipio in the Battle of Thapsus, after which the Pompeians retreated yet again to Spain. Caesar defeated the combined forces of Titus Labienus and Gnaeus Pompey the Younger at the Battle of Munda in Spain. Labienus was killed in the battle and the Younger Pompey captured and executed.

"The Parthians began to shoot from all sides. They did not pick any particular target since the Romans were so close together that they could hardly miss...If they kept their ranks they were wounded. If they tried to charge the enemy, the enemy did not suffer more and they did not suffer less, because the Parthians could shoot even as they fled...When Publius urged them to charge the enemy's mail-clad horsemen, they showed him that their hands were riveted to their shields and their feet nailed through and through to the ground, so that they were helpless either for flight or for self-defence."

Plutarch on the Battle of Carrhae[251]

Despite his military success, or probably because of it, fear spread of Caesar, now the primary figure of the Roman state, becoming an autocratic ruler and ending the Roman Republic. This fear drove a group of senators naming themselves The Liberators to assassinate him in 44 BC.^[252] Further civil war followed between those loyal to Caesar and those who supported the actions of the Liberators. Caesar's supporter Mark Anthony declaimed Caesar's assassins and war broke out between the two factions. Antony was denounced as a public enemy, and Octavian was entrusted with the command of the war against him. In the Battle of Forum Gallorum Antony, besieging Caesar's assassin Decimus Brutus in Mutina, defeated the forces of the consul Pansa, who was killed, but Antony was then immediately defeated by the army of the other consul, Hirtius. At the Battle of Mutina Antony was again defeated in battle by Hirtius, who was killed. Although Antony failed to capture Mutina, Decimus Brutus was murdered shortly thereafter.

Octavian betrayed his party, and came to terms with Caesarians Antony and Lepidus and on 26 November 43 BC the Second Triumvirate was formed,^[253] this time in an official capacity.^[252] In 42 BC Triumvirs Marc Antony and Octavian fought the indecisive Battle of Philippi with Caesar's assassins Marcus Brutus and Cassius. Although Brutus defeated Octavian, Antony defeated Cassius, who committed suicide. Brutus also committed suicide shortly afterwards.

However, civil war flared again when the Second Triumvirate of Octavian, Lepidus and Mark Antony failed just as the first had almost as soon as its opponents had been removed. The ambitious Octavian built a power base and then launched a campaign against Mark Antony.^[252] Together with Lucius Antonius, Mark Antony's brother, Fulvia raised an army in Italy to fight for Antony's rights against Octavian but she was defeated by Octavian at the Battle of Perugia. Her death led to partial reconciliation between Octavian and Anthony who went on to crush the army of Sextus Pompeius, the last focus of opposition to the second triumvirate, in the naval Battle of Naulochus.

As before, once opposition to the triumvirate was crushed, it started to tear at itself. The triumvirate expired on the last day of 33 BC and was not renewed in law and in 31 BC, war began again. At the Battle of Actium,^[254] Octavian decisively defeated Antony and Cleopatra in a naval battle near Greece, using fire to destroy the enemy fleet.^[255]

Octavian went on to become Emperor under the name Augustus^[254] and, in the absence of political assassins or usurpers, was able to greatly expand the borders of the Empire.

[edit] Early Roman Empire to mid-Roman Empire (30 BC - 180 AD)

[edit] Imperial expansion (40 BC-117)

Roman conquest of Britain
Medway – Caer Caradoc – Mons Graupius

Boudica's Uprising
Camulodunum - Verulamium - Londinium - Watling Street

Germanic Wars
Noreia - Arausio - Aquae Sextiae – Vercellae – Lupia River – Teutoburg Forest – Weser River

Dacian Wars
1st Tapae – 2nd Tapae – Adamclisi – Sarmisegetusa

Armenian Wars
Volandum - Artaxata - Tigranocerta -Legerda - Tigranocerta - Rhandeia

Under emperors secure from interior enemies, such as Augustus and Trajan, the military achieved great territorial gains in both the East and the West. In the West, following humiliating defeats at the hands of the Sugambri, Tencteri and Usipetes tribes in 16 BC,^[256] Roman armies pushed north and west out of Gaul to subdue much of Germania. The Pannonian revolt in AD 6^[256] forced the Romans to cancel their plan to cement their conquest of Germany by invading Bohemia^[257] for the moment.^[258][142] Despite the loss of a large army almost to the man in Varus' famous defeat at the hands of the Germanic leader Arminius in the Battle of the Teutoburg Forest in 9 AD,^{[259][260][261]} Rome recovered and continued its expansion up to and beyond the borders of the known world. Roman armies under Germanicus pursued several more campaigns against the Germannic tribes of the Marcomanni, Hermunduri, Chatti,^[262] Cherusci,^[263] Bructeri,^[263] and Marsi.^[264] Overcoming several mutinies in the armies along the Rhine,^[265] Germanicus defeated the German tribes of Arminius in a series of battles culminating in the Battle of the Weser River^[266] and went on to invade Britain.

After preliminary low-scale invasions of Britain,^[267][268] the Romans invaded Britain in force in 43 AD,^[269] forcing their way inland through several battles against British tribes, including the Battle of the Medway,^[269] the Battle of the Thames, the Battle of Caer Caradoc and the Battle of Mona.^[270] Following a general uprising^[271][272] in which the Britons sacked Colchester,^[273] St Albans^[274] and London,^[275][274] the Romans suppressed the rebellion in the Battle of Watling Street^[276][277] and went on to push as far north as central Scotland in the Battle of Mons Graupius.^[278][279] Tribes in modern-day Scotland and Northern England repeatedly rebelled against Roman rule and two military bases were established in Britannia to protect against rebellion and incursions from the north, from which Roman troops built and manned Hadrian's Wall.^[280]

On the continent, the extension of the Empire's borders beyond the Rhine hung in the balance for some time, with the emperor Caligula apparently poised to invade Germania in AD 39, and Cnaeus Domitius Corbulo crossing the Rhine in 47 AD and marching into the territory of the Frisii and Chauci^[281] before his successor Claudius ordered the suspension of further attacks across the Rhine,^[281] setting what was to become the permanent limit of the Empire's expansion in this direction.^[2]

"Never was there slaughter more cruel than took place there in the marshes and woods, never were more intolerable insults inflicted by barbarians, especially those directed against the legal pleaders. They put out the eyes of some of them and cut off the hands of others; they sewed up the mouth of one of them after first cutting out his tongue, which one of the barbarians held in his hand, exclaiming At last, you viper, you have ceased to hiss!."

Florus on the loss of Varus' force[282]

Further east, Trajan turned his attention to Dacia, an area north of Macedon and Greece and east of the Danube that had been on the Roman agenda since before the days of Caesar^[283][284] when they had beaten a Roman army at the Battle of Histria.^[285] In 85, the Dacians had swarmed over the Danube and pillaged Moesia^[286][287] and initially defeated an army the Emperor Domitian sent against them,^[288] but the Romans were victorious in the Battle of Tapae in 88 AD and a truce was drawn up.^[288]

Emperor Trajan recommenced hostilities against Dacia and, following an uncertain number of battles,^[289] defeated the Dacian general Decebalus in the Second Battle of Tapae in 101 AD.^[290] With Trajan's troops pressing towards the Dacian capital Sarmizegethusa, Decebalus once more sought terms.^[291] Decebalus rebuilt his power over the following years and attacked Roman garrisons again in 105 AD. In response Trajan again marched into Dacia,^[292] besieging the Dacian capital in the Siege of Sarmizethusa, and razing it to the ground.^[293] With Dacia quelled, Trajan subsequently invaded the Parthian empire to the east, his conquests taking the Roman Empire to its greatest extent. Rome's borders in the east were indirectly governed through a system of client states for some time, leading to less direct campaigning than in the west in this period.^[294]

The land of Armenia between the Black Sea and Caspian Sea became a focus of contention between Rome and the Parhian Empire, and control of the region was repeatedly gained and lost. The Parthians forced Armenia into submission from 37 AD^[295] but in 47 AD the Romans retook control of the kingdom and offered it client kingdom status. Under Nero, the Romans fought a campaign between 55 AD and 63 AD against the Parthian Empire, which had again invaded Armenia. After gaining Armenia once more in 60 AD and subsequently losing it again in 62 AD, the Romans sent Gnaeus Domitius Corbulo in 63 AD into the territories of Vologases I of Parthia. Corbulo succeeded in returning Armenia to Roman client status, where it remained for the next century.

[edit] Year of the Four Emperors (69)

Year of the Four Emperors
Placentia - Locus Castrorum - 1st Bedriacum - 2nd Bedriacum - Castra Vetera - Augusta Treverorum

In 69 AD, Marcus Salvius Otho, had the Emperor Galba murdered^[296][297] and claimed the throne for himself.^[298][299] However, Vitellius, governor of the province of Germania Inferior, had also claimed the throne^[300][301] and marched on Rome with his troops.^[298][299] Following an inconclusive battle near Antipolis,^[302] Vitellius' troops attacked the city of Placentia in the Assault of Placentia, but were repulsed by the Othonian garrison.^[303][301]

Otho left Rome on March 14, and marched north towards Placentia to meet his challenger. In the Battle of Locus Castrorum the Othonians had the better of the fighting,^[304] and Vitellius' troops retreated to Cremona. The two armies met again on the Via Postunia, in the First Battle of Bedriacum,^[305] after which the Othonian troops fled back to their camp in Bedriacum,^[306] and the next day surrendered to the Vitellian forces. Otho decided to commit suicide rather than fight on.^[307]

Meanwhile, the forces stationed in the Middle East provinces of Judaea and Syria had acclaimed Vespasian as emperor^[305] and the Danubian armies of the provinces of Raetia and Moesia also acclaimed Vespasian as Emperor. Vespasians' and Vitellius' armies met in the Second Battle of Bedriacum,^[305][308] after which the Vitellian troops were driven back into their camp outside Cremona, which was taken.^[309] Vespasian's troops then attacked Cremona itself,^[310] which surrendered.

Under pretence of siding with Vespasian, Civilis of Batavia had taken up arms and induced the inhabitants of his native country to rebel.^[305][311] The rebelling Batavians were immediately joined by several neighbouring German tribes including the Frisians. These forces drove out the Roman garrisons near the Rhine and defeated a Roman army at the Battle of Castra Vetera, after which many Roman troops along the Rhine and in Gaul defected to the Batavian cause. However, disputes soon broke out amongst the different tribes, rendering co-operation impossible; Vespasian, having successfully ended the civil war, called upon Civilis to lay down his arms, and on his refusal, met him in force, defeating him^[312] in the Battle of Augusta Treverorum.

[edit] Jewish revolts (66-135)

Jewish-Roman wars
First War – Kitos War – Bar Kokhba's revolt

First Jewish-Roman War
1st Jerusalem - Beth-Horon - Masada - 2nd Jerusalem

The first Jewish-Roman War, sometimes called The Great Revolt, was the first of three major rebellions by the Jews of Judaea Province against the Roman Empire.^[313] Judea was already a troubled region with bitter violence among several competing Jewish sects^[313] and a long history of rebellion^[314] - Tacitus describes them as regarding the "the rest of mankind with all the hatred of enemies".^[315] The Jews' anger turned on Rome following robberies from their temples and Roman insensitivity - Tacitus says disgust and repulsion^[315] - towards their religion. The Jews began to prepare for armed revolt. Earlier successes including the repulse of the First Siege of Jerusalem^[316] and the Battle of Beth-Horon^[316] only attracted greater attention from Rome and Emperor Nero appointed general Vespasian to crush the rebellion. Vespasian led his forces in a methodical clearance of the areas in revolt. By the year 68, Jewish resistance in the North had been crushed. A few towns and cities held out for a few years before falling to the Romans, leading to the Siege of Masada in 73 AD^[317][318] and the Second Siege of Jerusalem.^[319]

In 115, revolt broke out again in the province, leading to the second Jewish-Roman war known as the Kitos War, and again in 132 in what is known as Bar Kokhba's revolt. Both were brutally crushed.

[edit] Struggle with Parthia (161-217)

Roman-Parthian Wars
Syria - Seleucia - Ctesiphon - Nisibis - Nisibis - Atra - Ctesiphon

By the second century AD the territories of Persia were controlled by the Arsacid dynasty and known as the Parthian Empire. Due in large part to their employment of powerful heavy cavalry and mobile horse-archers, Parthia was the most formidable enemy of the Roman Empire in the east. As early as 53 BC, the Roman general Crassus had invaded Parthia, but was defeated at the Battle of Carrhae. In the years following the Battle of Carrhae the Romans were divided in civil war and hence unable to campaign against Parthia. Trajan also campaigned against the Parthians and briefly captured their capital, putting a puppet ruler on the throne, but rebellions with the province and the Jewish revolts in Judea made it difficult to maintain the captured province and the territories were abandoned.

A revitalised Parthian Empire renewed its assault in 161, defeating two Roman armies and invading Armenia and Syria. Emperor Lucius Verus and general Gaius Avidius Cassius were sent in 162 to counter the resurgent Parthia. In this war, the Parthian city of Seleucia on the Tigris was destroyed and the palace at the capital Ctesiphon was burned to the ground by Avidius Cassius in 164. The Parthians made peace but were forced to cede western Mesopotamia to the Romans.^[320]

In 197, Emperor Septimius Severus waged a brief and successful war against the Parthian Empire in retaliation for the support given to rival for the imperial throne Pescennius Niger. The Parthian capital Ctesiphon was sacked by the Roman army, and the northern half of Mesopotamia was restored to Rome.

Emperor Caracalla, the son of Severus, marched on Parthia in 217 from Edessa to begin a war against them, but he was assassinated while on the march.^[321] In 224, the Parthian Empire was crushed not by the Romans but by the rebellious Persian vassal king Ardashir, who revolted, leading to the establishment of Sassanid Empire of Persia, which replaced Parthia as Rome's major rival in the East.

Throughout the Parthian wars, tribal groups along the Rhine and Danube took advantage of Rome's preoccupation with the eastern frontier (and the plague that the Romans suffered from after bringing it back form the east) and launched a series of raids and incursions into Rome's territories, including the Marcomannic Wars.

[edit] Late Roman Empire (180 AD - 476 AD)

[edit] Migration period (163-378)

Rome against the Alamanni
Lake Benacus – Placentia – Fano – Pavia - Lingones - Vindonissa - Autun - Reims - Brumath - Senonae - Strasbourg - Solicinum - Argentovaria

Gothic Migration
Byzantium - Pannonia - Naissus - Fanum Fortunae - Ticinum - Battle of the Willows - Adrianople

Frankish Migration
Tarragona - Scheldt - Salii - Chamavi

Early Vandal Migration
Lower Danube - Middle Danube

After Varus' defeat in Germania in the first century, Rome had adopted a largely defensive strategy along the border with Germania, constructing a line of defences known as limes along the Rhine. Although the exact historicity is unclear, since the Romans often assigned one name to several distinct tribal groups, or conversely applied several names to a single group at different times, some mix of Germanic peoples, Celts, and tribes of mixed Celto-Germanic ethnicity were settled in the lands of Germania from the first century onwards. The Cherusci, Bructeri, Tencteri, Usipi, Marsi, and Chatti of Varus' time had by the third century either evolved into or been displaced by a confederacy or alliance of Germanic tribes collectively known as the Alamanni,^[322] first mentioned by Cassius Dio describing the campaign of Caracalla in 213.

In around 166 AD, several Germanic tribes pushed across the Danube, striking as far as Italy itself in the Siege of Aquileia in 166 AD,^[320] and the heartland of Greece in the Sack of Eleusis.^[320]

Although the essential problem of large tribal groups on the frontier remained much the same as the situation Rome faced in earlier centuries, the third century saw a marked increase in the overall threat,^[323][324] although there is disagreement over whether external pressure increased,^[322] or Rome's ability to meet it declined.^[325] The Carpi and Sarmatians whom Rome had held at bay were replaced by the Goths and likewise the Quadi and Marcomanni that Rome had defeated were replaced by the greater confederation of the Alamanni.^[326]

The assembled warbands of the Alamanni frequently crossed the limes, attacking Germania Superior such that they were almost continually engaged in conflicts with the Roman Empire, whilst Goths attacked across the Danube in battles such as the Battle of Beroa^[327] and Battle of Philippopolis in 250^[327] and the Battle of Abrittus in 251,^[327] and both Goths and Heruli ravaged the Aegean and, later, Greece, Thrace and Macedonia.^[326][328] However, their first major assault deep into Roman territory came in 268. In that year the Romans were forced to denude much of their German frontier of troops in response to a massive invasion by another new Germanic tribal confederacy, the Goths, from the east. The pressure of tribal groups pushing into the Empire was the end result of a chain of migrations with its roots far to the east:^[329] Asian Huns from the Russian steppe attacked the Goths,^{[330][331][332]} who in turn attacked the Dacians, Alans and Sarmatians at or inside Rome's borders.^[333]The Goths first appeared in history as a distinct people in this invasion of 268 when they swarmed over the Balkan peninsula and over-ran the Roman provinces of Pannonia and Illyricum and even threatened Italia itself.

The Alamanni seized the opportunity to launch a major invasion of Gaul and northern Italy. However, the Visigoths were defeated in battle that summer near the modern Italian-Slovenian border and then routed in the Battle of Naissus^[334] that September by Gallienus, Claudius and Aurelian, who then turned and defeated the Alemanni at the Battle of Lake Benacus. Claudius' successor Aurelian defeated the Goths twice more in the Battle of Fanum Fortunae^[334] and the Battle of Ticinum.^[334] The Goths remained a major threat to the Empire but directed their attacks away from Italy itself for several years after their defeat. By 284 AD, Gothic troops were serving on behalf of the Roman military as federated troops.^[335]

The Alamanni on the other hand resumed their drive towards Italy almost immediately. They defeated Aurelian at the Battle of Placentia in 271 but were beaten back for a short time after they lost the battles of Fano and Pavia later that year. They were beaten again in 298 at the battles of Lingones and Vindonissa but fifty years later they were resurgent again, making incursions in 356 at the Battle of Reims,^[336] in 357 at the Battle of Strasbourg,^[337] in 367 at the Battle of Solicinium and in 378 at Battle of Argentovaria. In the same year the Goths inflicted a crushing defeat on the Eastern Empire at the Battle of Adrianople,^[338][339] in which the Eastern Emperor Valens was massacred along with tens of thousands of Roman troops.^[340]

At the same time, Franks raided through the North Sea and the English Channel,^[341] Vandals pressed across the Rhine, Iuthungi against the Danube, Iazyges, Carpi and Taifali harassed Dacia, and Gepids joined the Goths and Heruli in attacks round the Black Sea.^[342] At around the same time, lesser-known tribes such as the Bavares, Baquates and Quinquegentanei^[343] raided Africa.^[342]

At the start of the fifth century AD, the pressure on Rome's western borders was growing intense. However, it was not only the western borders that were under threat: Rome was also under threat both internally and on its eastern borders.

[edit] Usurpers (193-394)

Crisis of the Third Century
Cyzicus - Nicaea - Issus - Lugdunum - Antioch - Carthage - Naissus - Mainz - Augustodunum Haeduorum - Immae - Emesa - Chalons - the Margus

Constantine I battles
Turin – Verona – Milvian Bridge – Cibalae – Mardia – Adrianople – Hellespont – Chrysopolis

Fourth Century Roman Civil Wars
Tzirallum - Mursa Major - Mons Seleucus - Thyatira - Save - Frigidus

A military that was often willing to support its commander over its emperor meant that commanders could establish sole control of the army they were responsible for and usurp the imperial throne. The so-called Crisis of the Third Century describes the turmoil of murder, usurpation and in-fighting that is traditionally seen as developing with the murder of the Emperor Alexander Severus in 235.^[344] However, Cassius Dio marks the wider imperial decline as beginning in 180 AD with ascension of Commodus to the throne,^[345] a judgement with which Gibbon concurred,^[346] and Matyszak states that "the rot... had become established long before" even that.^[345]

Though the crisis of the third century was not the absolute beginning of Rome's decline, nevertheless it did mark a severe strain on the empire as Romans waged war on one another as they had not done since the final days of the Republic. Within the space of a single century, twenty-seven military officers claimed themselves emperors and reigned over parts of the empire for months or days, all but two meeting with a violent end.^[347][322] The time was characterised by a Roman army that was as likely to be attacking itself as an outside invader, reaching a low point around 258 AD.^[348] Ironically, while it was these usurpations that led to the break up of the Empire during the crisis, it was the strength of several frontier generals that helped reunify the empire through force of arms.

The situation was complex, often with 3 or more usurpers in existence at once. Septimius Severus and Pescennius Niger, both rebel generals promoted as emperors by the troops they commanded, clashed for the first time in 193 AD at the Battle of Cyzicus, in which Niger was defeated. However, it took two further defeats at the Battle of Nicaea later that year and the Battle of Issus the following year, for Niger to be definitively defeated. Almost as soon as Niger's hopes of the imperial crown had been laid to rest, Severus was forced to deal with another rival for the throne in the person of Clodius Albinus, who had originally been allied to Severus. Albinus was proclaimed emperor by his troops in Britain and, crossing over to Gaul, defeated Severus' general Virius Lupus in battle, before being in turn defeated and killed himself in the Battle of Lugdunum by Severus himself.

After this turmoil, Severus faced no more internal threats for the rest of his reign,^[349] and the reign of his successor Caracalla passed uninterrupted for a while until he was murdered by Macrinus,^[349] who proclaimed himsef emperor in his place. Despite Macrinus having his position ratified by the Roman senate, the troops of Varius Avitus declared him to be emperor instead, and the two met in battle at the Battle of Antioch in 218 AD, in which Macrinus was defeated.^[350] However, Avitus himself - taking the imperial name Elagabalus - was murdered shortly afterwards^[350] and Alexander Severus was proclaimed emperor by both the Praetorian Guard and the senate who, after a short reign, was murdered in turn.^[350] His murderers were working on behalf of the army who were unhappy with their lot under his rule and who raised in his place Maximinus Thrax. However, just as he had been raised by the army, Maximinus was also brought down by them and despite winning the Battle of Carthage against the senate's newly-proclaimed Gordian II, he was murdered^[351] when it appeared to his forces as though he would not be able to best the next senatorial candidate for the throne, Gordian III.

Gordian III's fate is not certain, although he may have been murdered by his own successor, Philip the Arab, who ruled for only a few years before the army again raised a general to proclaimed emperor, this time Decius, who defeated Philip in the Battle of Verona to seize the throne.^[352] Several succeeding generals avoided battling usurpers for the throne chiefly by virtue of being murdered by their own troops before battle could commence, which at least relieved the empire momentarily of manpower losses to internal strife. The lone exception to this rule was Gallienus, emperor from 260 AD to 268 AD, who saw off a remarkable array of usurpers, most of whom he defeated in pitched battle. The army was therefore mostly spared further infighting until around 273 AD, when Aurelian defeated the Gallic usurper Tetricus in the Battle of Chalons. The next decade saw a barely credible number of usurpers, sometimes 3 at the same time, all vying for the imperial throne. Most of the battles are not recorded, primarily due to the turmoil of the time, until Diocletian, a usurper himself, defeated Carinus at the Battle of the Margus to become emperor.

Some small measure of stability again returned at this point, with the empire split into a Tetrarchy of two greater and two lesses emperors, a system that staved off civil wars for a short time until 312 AD. In that year, relations between the tetrarchy collapsed for good and Constantine I, Licinius, Maxentius and Maximinus jostled for control of the empire. In the Battle of Turin Constantine defeated Maxentius, and in the Battle of Tzirallum Licinius defeated Maximinus. From 314 AD onwards, Constantine defeated Licinius in the Battle of Cibalae, then the Battle of Mardia, and then again at the Battle of Adrianople, the Battle of the Hellespont and the Battle of Chrysopolis.

Constantine then turned to Maxentius, beating him in the Battle of Verona and the Battle of Milvian Bridge in the same year. Constantine's son Constantius II inherited his father's rule and later defeated the usurper Magnentius in first the Battle of Mursa Major and then the Battle of Mons Seleucus.

Successive emperors Valens and Theodosius I also defeated usurpers in, respectively, the Battle of Thyatira, and the battles of the Save and the Frigidus.

[edit] Struggle with the Sassanid Empire (230-363)

Roman-Sassanid Wars
Resaena - Misikhe - Barbalissos - Antiochia - Edessa - Callinicum – Singara - Amida - Pirisabora - Ctesiphon - Samarra

After overthrowing the Parthian confederacy,^[353][322] the Sassanid Empire that arose from its remains pursued a more aggressive expansionist policy than their predecessors^[354][355] and continued to make war against Rome. In 230 AD, the first Sassanid emperor attacked Roman territory in first Armenia and then Mesopotamia^[355] but Roman losses were largely restored by Severus within a few years.^[354] In 243, Emperor Gordian III's army retook the Roman cities of Hatra, Nisibis and Carrhae from the Sassanids after defeating the Sassanids at the Battle of Resaena^[356]but what happened next is unclear: Persian sources claim that Gordian was defeated and killed in the Battle of Misikhe^[357] but Roman sources mention this battle only as an insignificant setback and suggest that Gordian died elsewhere.^[358]

Certainly, the Sassanids had not been cowed by the previous battles with Rome and in 253 the Sassanids under Shapur I penetrated deeply into Roman territory several times, defeating a Roman force at the Battle of Barbalissos^[358] and conquering and plundering Antiochia in 252 following the Siege of Antiochia.^[358][353] The Romans recovered Antioch by 253 AD,^[359] and Emperor Valerian gathered an army and marched eastward to the Sassanid borders. In 260 at the Battle of Edessa the Sassanids defeated the Roman army^[359] and captured the Roman Emperor Valerian.^[355][353]

There was a lasting peace between Rome and the Sassanid Empire between 297 and 337 following a treaty between Narseh and Emperor Diocletian. However, just before the death of Constantine I in 337, Shapur II broke the peace and began a twenty-six year conflict, attempting with little success to conquer Roman fortresses in the region. After early Sassanid successes including the Battle of Amida in 359 AD and the Siege of Pirisabora in 363 AD,^[360] Emperor Julian met Shapur in 363 in the Battle of Ctesiphon outside the walls of the Persian capital.^[360] The Romans were victorious but were unable to take the city, and were forced to retreat due to their vulnerable position in the middle of hostile territory. Julian was killed in the Battle of Samarra during the retreat, possibly by one of his own men.^[360]

There were several future wars, although all brief and small-scale, since both the Romans and the Sassanids were forced to deal with threats from other directions during the fifth century. A war against Bahram V in 420 over the persecution of the Christians in Persia led to a brief war that was soon concluded by treaty and in 441 a war with Yazdegerd II was again swiftly concluded by treaty after both parties battled threats elsewhere.^[361]

[edit] Collapse of the Western Empire (402-476)

Fall of the Western Roman Empire
Mediolanum - Pollentia - 1st Verona - 2nd Verona - Moguntiacum - Treviri - Rome - Narbonne - Chalons - Aquileia - Ravenna

Many theories have been advanced in explanation of the decline of the Roman Empire, and many dates given for its fall, from the onset of its decline in the third century^[362] to the fall of Constantinople in 1453.^[363] Militarily, however, the Empire finally fell after first being overrun by various non-Roman peoples and then having its heart in Italy seized by Germanic troops in a revolt. The historicity and exact dates are uncertain, and some historians deny that the Empire fell at all at this point. They are able to hold this position since the decline of the Empire had been a long and gradual process rather than a single event.

The Empire became gradually less Romanised and increasingly Germanic in nature: although the Empire buckled under Visigothic assault, the overthrow of the last Emperor Romulus Augustus was carried out by federated Germanic troops from within the Roman army rather than by foreign troops. In this sense had Odoacer not renounced the title of Emperor and named himself "King of Italy" instead, the Empire might have continued in name. Its identity, however, was no longer Roman - it was increasingly populated and governed by Germanic peoples long before 476. The Roman people were by the fifth century "bereft of their military ethos"^[364] and the Roman army itself a mere supplement to federated troops of Goths, Huns, Franks and others fighting on their behalf.

Rome's last gasp began when the Visigoths revolted around 395 AD.^[365] Led by Alaric I,^[366] they attempted to seize Constantinople,^[367] but were rebuffed and instead plundered much of Thrace in northern Greece.^[368][366]In 402 AD they besieged Mediolanum, the capital of Roman Emperor Honorius, defended by Roman Gothic troops. The arrival of the Roman Stilicho and his army forced Alaric to relieve the siege and move towards Hasta (modern Asti) in western Italy, where Stilicho attacked it at the Battle of Pollentia,^[369][370] capturing Alaric's camp. Stilicho offered to return the prisoners in exchange for the Visigoths returning to Illyricum but upon arriving at Verona, Alaric halted his retreat. Stilicho again attacked at the Battle of Verona^[371] and again defeated Alaric,^[372] forcing him to withdraw from Italy.

In 405 AD, the Ostrogoths invaded Italy itself, but were defeated. However, in 406 AD an unprecendented number of tribes took advantage of the freezing of the Rhine to cross en masse: Vandals, Suevi, Alans and Burgundians swept across the river and met little resistance in the Sack of Moguntiacum and the Sack of Treviri,^[373] completely over-running Gaul. Despite this grave danger, or perhaps because of it, the Roman army continued to be wracked by usurpation, in one of which Stilicho, Rome's foremost defender of the period, was put to death.^[374]

It is in this climate that, despite his earlier setback, Alaric returned again in 410 and managed to sack Rome.^{[375][376][366]} The Roman capital had already been moved to the Italian city of Ravenna,^[377] but some historians view 410 as an alternative date for the true fall of the Roman Empire.^[378] Without possession of Rome or many of its former provinces, and increasingly Germanic in nature, the Roman Empire after 410 had little in common with the earlier Empire. By 410 AD, Britain had been mostly denuded of Roman troops,^[379][380] and by 425 AD was no longer part of the Empire,^[366] and much of western Europe was beset "by all kinds of calamities and disasters",^[381] coming under barbarian kingdoms ruled by Vandals, Suebians, Visigoths and Burgundians.^[382]

"The fighting became hand-to-hand, fierce, savage, confused and without the slightest respite.... Blood from the bodies of the slain turned a small brook which flowed through the plain intro a torrent. Those made desperately thirsty by their injuries drank water so augmented with blood that in their misery it seemed as though they were forced to drink the very blood which had poured from their wounds"

Jordanes on the Battle of the Catalunian Plains[383]

The remainder of Rome's territory, if not its nature, was defended for several decades following 410 largely by Flavius Aëtius, who managed to play off each of Rome's barbarian invaders against one another: in 436 he led a Hunnic army against the Visigoths at the Battle of Arles, and again in 436 at the Battle of Narbonne, and then in 451 led a combined army including his former enemy the Visigoths against the Huns at the Battle of the Catalunian Plains,^{[384][385][386]} beating them so soundly that although they later sacked Concordia, Altinum, Mediolanum^[387] and Ticinum^[387] and Patavium, they never again directly threatened Rome. Despite being the only clear champion of the Empire at this point Aëtius was slain by the Emperor Valentinian IIIs own hand, leading Sidonius Apollinaris to observe, "I am ignorant, sir, of your motives or provocations; I only know that you have acted like a man who has cut off his right hand with his left".^[388]

Carthage, the second largest city in the empire, was lost along with much of North Africa in 439 AD to the Vandals,^[389][390] and the fate of Rome seemed sealed. By 476, what remained of the Empire was completely in the hands of federated Germanic troops and when they revolted led by Odoacer and deposed Emperor Romulus Augustus^[391] there was nobody to stop them. Odoacer happened to hold the part of the Empire around Italy and Rome but other parts of the Empire were ruled by Visigoths, Ostrogoths, Franks, Alans and others. The Empire in the West had fallen,^[382][391] and its remnant in Italy was no longer Roman in nature. The Byzantine Empire and the Goths continued to fight over Rome and the surrounding area for many years, though by this point Rome's importance was negligible. Following years of grinding war the city was by 540 AD near-abandoned and desolate with much of its environment turned into an unhealthy marsh, an inglorious end for a city that once ruled much of the known world.

At this point, Roman military history becomes Byzantine military history.

[edit] Assessment

There can be few militaries, either ancient or modern, who have campaigned so widely and over such a long period as the Roman military. Despite Napoleon's famous assertion that "The Gauls were not conquered by the Roman [army], but by Caesar",^[392] the fact remains that Romans were willing to absorb horrific losses of life in the pursuit of their campaigns.^[8] Although Roman generals often shared in the fate of their soldiers, it was by the millions of soldiers of the Roman military that the greatest sacrifice was borne, and for much of Rome's history, its soldiers fought loyally and selflessly for the state and their homes.

However, in the later Empire soldiers followed commanders for little more than the promise of gold,^[344] and although the threat to Rome from external enemies was great, it should have been able to withstand it had the soldiers of the late Empire not been campaigning almost as often against one another, and its generals plotting on usurping the throne rather than supporting it.^[393]

Although the traditional view has been that the Roman expansion was a noble enterprise that was justified in that it "carried the torch of civilization into the barbarian darkness",^[394] an alternative view has emerged recently that the flourishing of Rome that followed its military expansion occurred only at the expense of extinguishing other nascent, vibrant cultures, such as the Celts and Dacians.^[394] Perhaps the very fact that so much of the heritage, laws, institutions and concepts of western life are influenced by a Rome from which we have inherited so much^{[395][396][397]} breeds the concept that Rome was the only culture with much to offer - that nothing much was lost in those cultures that the Roman military extinguished - and hides the fact that much of Europe developed from a flat Roman monoculture.

[edit] Citations

[edit] Bibliography

Primary sources Julius Caesar: Commentaries on the Civil War on Wikisource (print: Penguin Books, 1976, (tr. Jane Mitchell), ISBN 0-140-44187-5) Julius Caesar: The Alexandrian War on Wikisource Julius Caesar: The African War on Wikisource Julius Caesar: The Spanish War on Wikisource Cassius Dio: The Roman History (print: Penguin Books, 1987, ISBN 0-140-44448-3) Florus: Epitome of Roman History on Wikisource Livy: From the Founding of the City on Wikisource (print: Book 1 as The Rise of Rome, Oxford University Press, 1998, ISBN 0-19-282296-9) Jordanes: The Origin and Deeds of the Goths Plutarch: Lives on Wikisource (print: Jacques Amyot and Thomas North (tr.), Plutarch, Lives of the Noble Grecians and Romans, Southern Illinois University Press, 1963, ISBN 0-404-51870-2 ) Polybius: The Rise of the Roman Empire (print: Harvard University Press, 1927. (Translation by W. R. Paton), unknown ISBN Procopius: History of the Wars on Wikisource Sallust: Conspiracy of Catiline and the Jurgurthine War (print: John Carew Rolfe (tr.), Sallust, Loeb Classical Library, 1940, ISBN 0-674-99128-1 ) Tacitus: The Annals (Tacitus) on Wikisource Tacitus: The Histories (Tacitus) on Wikisource (print: Penguin Books, 1975, ISBN 0-140-44150-6)

Secondary and tertiary sources John Bagnall Bury: History of the Later Roman Empire, 1889 Norman F Cantor, Antiquity, Perennial Press, 2004, ISBN 0-06-093098-5 Gerard Chaliand (ed.), The Art of War in World History, University of California Press, 1994, ISBN 0-520-07964-7 Winston Churchill, A History of the English-Speaking Peoples, Cassell, 1998, ISBN 0-304-34912-7 Tony Clunn, In Quest of the Lost Legions, Arminius Publishing, 1999, ISBN 0-954-41900-6 Arther Ferrill, The Fall of the Roman Empire: The Military Explanation, Thames and Hudson, 1988, ISBN 0-500-27495-9 James Fraser, The Roman Conquest Of Scotland: The Battle Of Mons Graupius AD 84, Tempus Publishing, 2005, ISBN 0-752-43325-3 Edward Gibbon: The Decline and Fall of the Roman Empire (print: Penguin Books, 1985, ISBN 0-14-043189-6) Raymond W Goldsmith, An Estimate of the Size and Structure of the National Product of the Early Roman Empire, Journal of the International Association for Research in Income and Wealth, 30, 1984 Adrian Goldsworthy, In the Name of Rome: The Men Who Won the Roman Empire, Weidenfield and Nicholson, 2003, ISBN 0-297-84666-3 Adrian Goldsworthy, The Punic Wars, Cassell & Co, 2000, ISBN 0-304-35284-5 Adrian Goldsworthy, The Complete Roman Army, Thames and Hudson, 2003, ISBN 0-500-05124-0 Michael Grant, The History of Rome, Faber and Faber, 1993, ISBN 0-571-11461-X Victor Davis Hanson, Carnage and Culture, Hanson Press, 2002, ISBN 0-385-72038-6 Albert Harkness, The Military System Of The Romans, University Press of the Pacific, 2004, ISBN 1-410-21153-3 Peter Heather, The Fall of the Roman Empire: A New History, Macmillan Publishers, 2005, ISBN 0-330-49136-9 Tom Holland, Rubicon, Little Brown, 2003, ISBN 0-316-86130-8 Boris Johnson, The Dream of Rome, Harper Press, 2006, ISBN 0-00-722441-9 Arnold Hugh Martin Jones, The Later Roman Empire, Johns Hopkins University Press, 1964, ISBN 0-801-83285-3 Robin Lane Fox, The Classical World, Penguin Books, 2005, ISBN 0-141-02141-1 Basil Liddell Hart, Scipio Africanus, Da Capo Press, 1994, ISBN 0-306-80583-9 Edward Luttwak, The Grand Strategy of the Roman Empire, Johns Hopkins University Press, ISBN 0-8018-2158-4 Philip Matyszak, The Enemies of Rome, Thames and Hudson, 2004, ISBN 0-500-25124-X Theodor Mommsen: The History of Rome Robert Franklin Pennell: Ancient Rome: From the earliest times down to 476 A. D. Nigel Rodgers, The Roman Army: Legions, Wars and Campaigns: A Military History of the World's First Superpower From the Rise of the Republic and the Might of the Empire to the Fall of the West , Southwater, 2005, ISBN 1-844-76210-6 Henry William Frederick Saggs, Civilization Before Greece and Rome, Yale University Press, 1989, ISBN 0-300-05031-3 Antonio Santosuosso, Storming the Heavens: Soldiers, Emperors and Civilians in the Roman Empire, Westview Press, 2001, ISBN 0-8133-3523-X Bruce Trigger, Understanding Early Civilizations, Cambridge University Press, 2003, ISBN 0-521-82245-9 Michael Wood, In Search of the First Civilizations, BBC Books, 1992, ISBN 0-563-52266-6 George Patrick Welch, Britannia: The Roman Conquest & Occupation of Britain, Hale, 1963, ISBN 0-158-79256-5