Battle of the Winwaed

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Stained glass window from the cloister of Worcester Cathedral showing the death of Penda of Mercia.

Date	15 November 655/654
Location	Possibly the Cock Beck in present-day Yorkshire
Result	Bernician victory

Combatants

Commanders

Strength

Unknown

Casualties

Unknown

The Battle of the Winwaed was fought on November 15, 655 (or perhaps in 654, according to one interpretation of the chronology), between King Penda of Mercia and Oswiu of Bernicia, ending in the Mercians' defeat and Penda's death.

1 History
2 Battle
3 Aftermath
4 External links
5 Further reading

[edit] History

Although said to be the most important battle between the northern and southern divisions of the Anglo-Saxons in early Britain, few details are available. For instance, the two armies met on the banks of a river named the Winwaed, but this river has never been identified. Possibly it was a tributary of the Humber. There is good reason to believe it may have been the river now known as Cock Beck in the ancient kingdom of Elmet, which winds its way through Pendas Fields, Leeds, before joining the River Wharfe (which eventually feeds into the Humber). Another possibility is the River Went (a tributary of the River Don, situated to the north of modern-day Doncaster).

The roots of the battle lay in Penda's success in dominating England through a number of military victories, most significantly over the previously dominant Northumbrians. In alliance with Cadwallon ap Cadfan of Gwynedd he had defeated and killed Edwin of Northumbria at Hatfield Chase in 633, and subsequently he defeated and killed Oswald of Northumbria at the Battle of Maserfield in 642. Maserfield effectively marked the overthrow of Northumbrian supremacy, and in the years that followed the Mercians apparently campaigned into Bernicia, besieging Bamburgh at one point; the Northumbrian sub-kingdom of Deira supported Penda during his 655 invasion.

[edit] Battle

Penda, after gathering allies from East Anglia and Wales, marched with a force "thirty legions strong". Oswiu, who was Oswald's brother but had only succeeded him in Bernicia, the northern part of Northumbria, was besieged by them at a place called Iudeu (identified with Stirling) in the north of his kingdom by Penda. Apparently Oswiu was desperate enough to offer a great deal of treasure to Penda in exchange for peace. Although the sources are unclear, it is likely that some sort of agreement was reached at Iudeu: although Bede says that Oswiu's offers of treasure were rejected by Penda, who Bede says was determined to destroy Oswiu's people "from the highest to the lowest", he does mention that Oswiu's young son Ecgfrith was being held hostage by the Mercians, perhaps as part of a deal. The Historia Brittonum contradicts Bede regarding the treasure, saying that Penda distributed it among his British allies, which would presumably mean that he accepted it. The recorded events may be interpreted to mean that Penda and his army then began marching home, but for some reason the two armies met and fought at a place called the River Winwaed, which may be identified with the River Went (a tributary of the River Don, situated to the north of modern-day Doncaster) — this could mean that Oswiu pursued the Mercians and their allies and took advantage of a vulnerability on Penda's part; Breeze (2004) argues that Penda and his army were in a difficult strategic location along the Went during their withdrawal, giving Oswiu a good opportunity to attack. It is almost certain that the Northumbrians were considerably outnumbered by the Mercians and their allies. According to Bede, before the battle Oswiu prayed to God and promised to make his daughter a nun and grant twelve estates for the construction of monasteries if he was victorious.

Penda's army was apparently weakened by desertions. According to the Historia Brittonum, Penda's ally Cadafael ap Cynfeddw of Gwynedd (thereafter remembered as "Cadomedd" (="battle-shirker") abandoned him, along with his army, and Bede says that Aethelwald of Deira withdrew from the battle to await the outcome from a place of safety. Penda was soundly defeated, and both he and the East Anglian King Aethelhere were killed. The battle was fought by the river in the midst of heavy rains, and Bede says that "many more were drowned in the flight than destroyed by the sword". Bede mentions that Penda's head was cut off. Writing in the 12th century, Henry of Huntingdon emphasized that Penda, in dying violently on the battlefield, was suffering the same fate he had inflicted on others during his aggressive reign.

[edit] Aftermath

The battle had a substantial effect on the relative positions of Northumbria and Mercia. Mercia's position of dominance, established after the battle of Maserfield, was destroyed, and Northumbrian dominance was restored; Mercia itself was divided, with the northern part being taken by Oswiu outright and the southern part going to Penda's Christian son Peada, who had married into the Bernician royal line (although Peada survived only until his murder in 656). Northumbrian authority over Mercia was overthrown within a few years, however.

Significantly, the battle marked the effective demise of Anglo-Saxon Paganism. Penda had continued in his Paganism despite the widespread conversions of Anglo-Saxon monarchs to Christianity, and a number of Christian kings had suffered death in defeat against him; after Penda's death, Mercia was converted, and all the kings who ruled thereafter (including Penda's sons Peada, Wulfhere and Æthelred) were Christian.