Battle of Kleidion

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Coordinates: 41°22′00″N 23°1′00″E / 41.366667, 23.016667

Battle of Kleidion
Part of the Byzantine-Bulgarian Wars
The Byzantines defeat the Bulgarians (top). Emperor Samuil dying at the sight of his blinded soldiers (bottom).
Date July 29, 1014 Location Belasitsa Mountains, close to the village of Klyuch, modern Blagoevgrad Province, Bulgaria Result Decisive Byzantine victory
Belligerents
Bulgarian Empire	Byzantine Empire
Commanders
Samuil of Bulgaria Gavril Radomir	Basil II Nicephorus Xiphias Theophylactus Botaniates †
Strength
c.20,000	Unknown
Casualties and losses
At least 15,000	Unknown

The Battle of Kleidion (Bulgarian: Битка при с. Ключ, Битка при Беласица, Беласишка битка; Greek: Μάχη του Κλειδίου, also Clidium and Klyuch, "(the) key", or Belasitsa) took place on July 29, 1014 between the Bulgarian Empire and the Byzantine Empire. It was the culmination of the nearly half-century struggle between the Bulgarian Emperor Samuil and the Byzantine Emperor Basil II in the late 10th and early 11th centuries. The result was a decisive Byzantine victory.

The battle took place in the valley between the mountains of Belasitsa and Ograzhden near the modern Bulgarian village of Klyuch. The decisive encounter occurred on 29 July with an attack in the rear by a force under the Byzantine general Nicephorus Xiphias, who had infiltrated the Bulgarian positions. The ensuing battle was a major defeat for the Bulgarians. Bulgarian soldiers were captured and blinded by order of Basil II, who was subsequently known as "Bulgar-slayer". Samuil survived the battle, but died two months later from a heart attack, reportedly brought on by the sight of his blind soldiers.

Although the engagement did not end the First Bulgarian Empire, the Battle of Kleidion reduced its ability to resist Byzantine advances and can be considered the pivotal encounter of the war with Byzantium. The heirs of Samuil could not subsequently hold off the Byzantine advance, and in 1018 the Bulgarian Empire was finally destroyed by Basil II.

[edit] Prelude

South-eastern Europe ca. 1000. The Byzantine possessions and independent western Bulgaria are depicted. By that time, eastern Bulgaria was also in Bulgarian hands.

The origins of the conflict date back to the 7th century, when the Bulgarians under Khan Asparukh established a state along the Danube in one of the provinces of the Eastern Roman Empire. As a result, the Bulgarian state was forced to fight a series of wars with Byzantium in order to secure its continued existence.^[1]

In 968, Bulgaria was invaded from the north by the Kievan Prince Svetoslav.^[2] By that time, the Bulgarian Empire, which had once threatened the existence of Byzantium under the reign of Simeon, had lost much of its power.^[3] During the conflict, the Kievan raids were repeatedly defeated by the Byzantines, who were also at war with the Bulgarians, a continuous conflict since the fall of the Bulgarian capital Preslav in 971. This war had resulted in the Bulgarian Emperor Boris II being forced to renounce his Imperial title in Constantinople, and eastern Bulgaria came under Byzantine rule.^[4] The Byzantines assumed that this act would signify the end of independent Bulgaria, but the western Bulgarian lands remained autonomous and under the Comitopuli brothers David, Moses, Aron and Samuil, resistance against the Byzantines emerged.^[5][6]

When the Byzantine emperor Basil II ascended the throne in 976, he made the destruction of independent Bulgaria his first ambition. Opposing him were the Western Bulgarians, now led by Samuil of Bulgaria. Basil II's first campaign was disastrous, the emperor barely escaping with his life when the Bulgarians annihilated the Byzantine army in the Gates of Trajan Pass in 986.^[7]

Basil II of Byzantium, from an 11th century manuscript.

Nicephorus Ouranos defeats the Bulgarians at the battle of Spercheios

Over the next fifteen years, while Basil was preoccupied with revolts against his rule and the Fatimid threat in the East, Samuil retook most of the previously conquered Bulgarian lands and carried the war into enemy territory in a series of campaigns. However, his invasion of southern Greece, that reached as far as Corinth, resulted in a major defeat in the Battle of Spercheios in 996. The next phase of the war began in 1000, when Basil, having secured his own position, launched a series of offensives against Bulgaria. He secured Moesia, and in 1003, his forces took Vidin. The next year, Basil inflicted a heavy defeat on Samuil in the Battle of Skopie. By 1005, Basil had regained control of Thessaly and parts of southern Macedonia. Over these and the next few years, a regular pattern emerged: the Byzantines would campaign in Bulgaria, laying siege to forts and pillaging the countryside, while the numerically inferior Bulgarians, unable to offer direct opposition, launched diversionary raids in Macedonia and Greece. Despite some successes, these did not achieve any permanent results, nor did they force Basil to abandon his campaigns in Bulgaria. A counter-attack in 1009 failed at the Battle of Kreta,^[8] and although the Byzantines themselves did not achieve any decisive success, their methodical war of attrition deprived the Bulgarians of their strongholds and gradually weakened their forces.^[9] In the words of Byzantine historian John Skylitzes: "The Emperor Basil II continued to invade Bulgaria each year and destroy and devastate everything on his way. Samuil could not stop him in the open field or to engage the Emperor in a decisive battle, and suffered many defeats and began to lose his strength."^[10] The culmination of the war came in 1014, when Samuil, at the head of his army, resolved to stop the Byzantine army before it could enter the Bulgarian heartland.

[edit] Preparations for the battle

Samuil knew that the Byzantine army would have to invade the country through a series of mountain passes, and so took precautions to bar them. The Bulgarians built ditches along the frontier and fortified many of the valleys and passes with walls and towers, especially the pass of Kleidion on the Struma River which Basil would need to pass through to reach the heart of Bulgaria. Samuil heavily fortified the northern slopes of the Belasitsa mountain to the south and east of Strumitsa Castle.^[11] The wide valley of the Strumitsa River was a convenient place for attack and it had been used by Byzantine forces for this purpose in previous years. The Bulgarians disposed a strong guard to keep the pass safe.^[12][13] In addition, the Bulgarian ruler chose Strumitsa for his defensive base — it was located on the road from Thessaloniki leading to Thrace to the east and Ohrid to the west.^[14] The rugged terrain to the south was dotted with earthworks and walls guarded by strong Bulgarian units.^[15][16]

Samuil's decision to face Basil II and the bulk of his army at Kleidion was not only prompted by the constant defeats and invasions which had devastated the country, but also by concerns over his authority among the nobility, which had been fatally weakened by Basil's campaigns. In 1005 for example, the governor of the important Adriatic port of Dyrrhachium had surrendered the town to Basil II.^[17] To face this threat, Samuil gathered a large army to face the Byzantines, some claiming it numbered as many as 45,000 soldiers.^[18] Basil II also prepared carefully, assembling a large army of his own and taking his most experienced commanders, including the governor of Philippopolis (modern Plovdiv), Nicephorus Xiphias, who had conquered the old Bulgarian capitals Pliska and Preslav from Samuil in 1001.

[edit] The battle

The Byzantine army marched from Constantinople through Komotini, Drama and Serres and reached the Rupel gorge on the Struma river. From there the army entered the Strumitsa valley and reached the vicinity of the village of Klyuch, where the river bent and approached Belasitsa and Ozgrazhden. There the army was stopped by a thick wooden wall, defended by Bulgarian soldiers.^[19][20] The Byzantines attacked the palisade immediately, but were repulsed with heavy casualties.^[21][22]

In response, Samuil sent a large army under one of the most able Bulgarian nobles, Nestoritsa, to strike in southern direction and draw the attention of Basil away from the siege at Klyuch.^[23] Nestoritsa's Bulgarians reached Thessalonika, but Byzantine troops under Theophylactus Botaniates, the strategos (Governor-General) of the city and his son Mihail managed to defeat them outside the city walls in a bloody battle. Theophylactus captured many soldiers and a large quantity of military equipment and marched north to join Basil II at Klyuch.^[24][25]

Basil II's first attempt to overwhelm the defenders of the pass was unsuccessful and his army was unable to pass through the valley, which was defended by 15,000–20,000 Bulgarians.^[26] Despite the difficulties the Byzantine Emperor did not abandon the attack. Ordering his general Nicephorus Xiphias to manouvre his troops around the high Belasitsa mountain and surround the Bulgarians, while he continued the assaults on the wall.^[27] Xiphias led his troops along a steep path that led him into Bulgarians' rear.^[28] On 29 July, Xiphias attacked the guards, trapping them in the valley. The Bulgarian soldiers abandoned their towers to face this new threat and Basil was able to break through the frontline and destroy the wall.^[29][30]

In the confusion of the rout, thousands of Bulgarian troops were killed and the remainder desperately attempted to flee westwards. Samuil and his son Gavril Radomir immediately headed to the east from their headquarters in the Strumitsa fortress to aid their army, but in desperate fighting near the village of Mokrivo (present-day Republic of Macedonia) they were overwhelmed by the quickly advancing enemy.^[31] Many Bulgarian soldiers were killed at Mokrivo and many more were captured.^[32] Emperor Samuil himself barely escaped, only breaking free through the bravery of his son, who mounted his father on his own horse and took him to safety in Prilep.^[33] From Prilep, Samuil returned to Prespa while Gavril Radomir headed towards Strumitsa to continue the struggle.^[34]

[edit] Further developments

See also: Battle of Strumitsa

After his victory, Basil II advanced towards Strumitsa, which was key to holding the whole Vardar valley. On their way to the city, the Byzantines seized the Matsukion fortress to the east of their advance.^[35] The Byzantine Emperor also sent an army under Botaniates to surround Strumitsa and destroy all ramparts to the south and clear the passage to Thessalonica. With the remainder of his troops, Basil laid siege to the city itself. The Bulgarians left Botaniates to destroy the fortification but he and his army were ambushed by more Bulgarian raiders in a narrow valley, soon after their task was complete. In the ensuing battle the Byzantines were completely defeated and the Bulgarian commander Gavril Radomir personally stabbed Botaniates with his spear.^[36][37] As a result, Basil II was forced to abandon the siege of Strumitsa and retreat. On the return, his advisor Sergius convinced the defenders of Melnik to surrender,^[38] another heavy blow for the Bulgarians as the town guarded the main road to Sofia from the south.

[edit] The prisoners

Map of Bulgaria and Byzantium c.1000

Skylitzes records that Basil completely routed the Bulgarian army and, according to John Skylitzes's account of the battle, took 15,000 prisoners (14,000 according to Kekaumenos). Modern historians however, such as Vasil Zlatarski, claim that these numbers are exaggerated. The 14th century Bulgarian translation of the Mannasas chronicles numbers the prisoners at 8,000. Basil divided the prisoners into groups of 100 men, blinded 99 men in each group and left one man in each with one eye so that he could lead the others home;^[39] this done in retaliation for the death of Botaniates, who was Basil's favourite general and advisor, and also to crush the Bulgarian morale.^[40] Another possible reason was that, in Byzantine eyes, the Bulgarians were rebels against their authority, and blinding was the punishment meted out to rebels.^[41] For this action, Basil gained the nickname Bulgaroktonos (Greek: Βουλγαροκτόνος), "the Bulgar-slayer". According to Skylitzes, Samuil died of a heart attack as he saw his forces march past on July 31, although other sources indicate that Samuil lived until 6 October.^[42]

[edit] Aftermath

The death of Botaniates and the four more years of war that followed indicate that the Byzantine success was not complete.^[43] Some modern historians doubt that the Bulgarian defeat was as complete as described by Skylitzes and Kekaumenos.^[44] Other historians emphasize that the death of Emperor Samuil two months later was much more fateful for Bulgaria.^[45] His heirs Gavril Radomir and Ivan Vladislav were unable to effectively resist the attacks of Basil II, and Bulgaria was completely defeated in 1018.^[46] In that year Bulgaria's last stronghold at Dyrrhachium was captured after Emperor Ivan Vladislav was killed in battle, and Bulgaria became a province of the Byzantine Empire until the successful uprising led by the Asen brothers in 1185.

Other theses in the historiography stress the significance of the battle. As a result of the battle of Belasitsa, the Bulgarian army suffered heavy casualties that could not be restored. The ability of the central government to control the peripheral and interior provinces of the Empire was reduced and the actions of the local and provincial governors became more decisive for the outcome of the war with Byzantium. Many of them voluntarily surrendered to Basil II.^[47]

The battle also had an impact on the Serbs and the Croats, who were forced to acknowledge the supremacy of the Byzantine Emperor after 1018.^[48][49] The borders of the Byzantine Empire were restored along the Danube for the first time since the seventh century, allowing Byzantium to control the entire Balkan peninsula from the Danube to the Peloponnese and from the Adriatic Sea to the Black Sea.^[50]

[edit] Sources

• John Skylitzes, Synopsis Historion, translated by Paul Stephenson.
• Treadgold, Warren T. A History of the Byzantine State and Society. Stanford: Stanford University Press, 1997. ISBN 0-8047-2630-2
• Mutafchiev, Petar, Book about the Bulgarians (Kniga za balgarite, Книга за българите), in Bulgarian, Bulgarian Academy of Sciences Publishing House, Sofia 1992, ISBN 954-430-128-3
• Mutafchiev, Petar, Lecture notes on Byzantine history (Lektsii po istoria na Vizantia, Лекции по история на Византия),in Bulgarian, Vol. II, Anubis Publishers, Sofia 1995, ISBN 954-426-063-3 (т. 2)
• Gyuzelev, Vasil, Bulgaria from the second quarter of tenth to the beginning of eleventh century, (Balgaria ot vtorata chetvart na X do nachaloto na XI vek, България от втората четвърт на Х до началото на ХІ век), in Bulgarian, In: Dimitrov, Ilcho (Ed.), Short History of Bulgaria (Kratka istoria na Balgaria, Кратка история на България), in Bulgarian, Science and Arts Publishers, Sofia 1983
• Bozhilov, Ivan, Tsar Simeon the Great (893-927): The Golden Century of Medieval Bulgaria (Tsar Simeon Veliki (893-927): Zlatniyat vek na Srednovekovna Balgaria, Цар Симеон Велики (893-927): Златният век на Средновековна България),in Bulgarian, Fatherland Front Publishers, Sofia 1983
• Pirivatrich, Sardzan, The State of Samuil. Territory and Characteristics (Samuilovata darzhava. Obhvat i harakter, Самуиловата държава. Обхват и характер), AGATA-A Publishing Group, Sofia 2000, ISBN 954-540-020-X
• Selected sources of Bulgarian history (Podbrani izvori na balgarskata istoria, Подбрани извори за българската история), Vol. II: Bulgarian States and Bulgarians in the Middle Ages (Balgarskite darzhavi i balgarite prez Srednovekovieto, Българските държави и българите през Средновековието), TANGRA TanNakRA IK Publishers, in Bulgarian, Sofia 2004, ISBN 954-9942-40-6
• Angelov, Dimitar, and Boris Cholpanov, Bulgarian Military History in the Middle Ages (10-15 century) (Balgarska voenna istoria prez srednovekovieto (X-XV vek), Българска военна история през средновековието (Х-XV век), in Bulgarian, Bulgarian Academy of Sciences Publishers, Sofia 1994, ISBN 954-430-200-X
• Nikolov, Georgi, Centralism and Regionalism in Early Medieval Bulgaria (end of 7 to beginning of 11 century), (Tsentralizam and regionalizam v rannosrednovekovna Balgaria (kraya na VII — nachaloto na XI v.), Централизъм и регионализъм в ранносредновековна България (края на VІІ — началото на ХІ в.), in Bulgarian, Marin Drinov Academic Publishers, Sofia, 2005, ISBN 954-430-787-7
• Ostrogorsky, Georgiy, History of Byzantium (Istoria na vizantiyskata darzhava, История на византийската държава), in Bulgarian, Sofia, 1998, ISBN 954-8079-92-5
• Zlatarski, Vasil, History of Bulgaria in the Middle Ages (Istoria na balgarskata darzhava prez srednite vekove, История на българската държава през средните векове), in Bulgarian, Vol. 1, Part 2, Marin Drinov Academic Publishers, Sofia, 1994, ISBN 954-430-299-9 (That work can be found in the Internet, taken from the site "Books for Macedonia" (in Bulgarian) on 29.01.2008)
• Pavlov, Plamen, The Sunset of the First Bulgarian Kingdom (1015-1018) (Zalezat na Parvoto balgarsko tsarstvo (1015-1018), Залезът на Първото българско царство (1015-1018)), in Bulgarian, Marin Drinov Academic Publishers, Sofia, 1999, ISBN 954-430-630-7
• Ćirković, Sima, Doseljavanje slovena i dukljanska država, from Montenegrina digitalna biblioteka crnogorske kulture on 20 November 2007.
• Holmes, Catherine, Basil II (A.D. 976-1025), publ. in: De Imperatoribus Romanis, An Online Encyclopedia of Roman Emperors retrieved on 16 November 2007.
• Vasiliev, А., History of the Byzantine empire, retrieved on 20 November 2007.
• Runciman, Steven The end of an Empire, p. 241-242, retrieved on 28 January 2008.
• Stevenson, Paul (2003). The Legend of Basil the Bulgar-Slayer. Cambridge University Press (September 15, 2003). ISBN 0521815304
• The battle of Kleidion (in English)., retrieved on 28 January 2008.
• The battle of Kleidion (in French)., retrieved on 28 January 2008.
• Jireček, K. J. (1876). Geschichte der Bulgaren (in German). Nachdr. d. Ausg. Prag 1876, Hildesheim, New York : Olms 1977. ISBN 3-487-06408-1. , pp. 195–200 (pp. 195–197, 200 can be seen inside the link)

[edit] Footnotes