Kingdom of Deira

If you are looking for the page with the statistics about this polity you can find it here:All Statistics

Was a small Kingdom created in northern England by the Angles, one of the Germanic peoples that settled in England in the post-Roman period.

Establishment

January 451: Deira was an Anglo-Saxon kingdom in Northern England Established c. 450.

Chronology

Interactive Chronologies with maps are available in the section Changes Navigation

1. End of Roman rule in Britannia and Armorica

The inhabitants of Britannia and Armorica expelled the Romans.

2. Establishment of Northumbria

Northumbria emerged from the union of the Kingdoms of Deira and Bernicia.

January 605: Æthelfrith of Bernicia united Deira and Bernicia by force, establishing the Kingdom of Northumbria around the year 604.

3. Battle of Hatfield Chase

Was a battle of Northumbria against Gwynedd and Mercia.

October 633: Following the disastrous Battle of Hatfield Chase on 12 October 633, in which Edwin was defeated and killed by Cadwallon ap Cadfan of Gwynedd and Penda of Mercia, Northumbria was divided back into Bernicia and Deira.

Disestablishment

January 635: After about a year he went to Cadwallon to sue for peace and was killed. Eanfrith's brother Oswald then raised an army and finally defeated Cadwallon at the Battle of Heavenfield in 634. After this victory, Oswald appears to have been recognised by both Bernicians and Deirans as king of a properly united Northumbria.

Data

Statistics

Kingdom of Deira

Establishment

Chronology

Disestablishment

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