Deira: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Facts

Date	c. 560 - c. 678

Topics

Wessex Mercia Danelaw Northumbria Cumberland Kent Essex Bernicia Sussex Soke of Peterborough

Major Events

Historical map of the British Isles showing the Anglo-Saxon kingdoms in light green, including Northumbria, Mercia, East Anglia, Essex, Kent, Sussex, and Wessex, and areas inhabited by Celts, such as Wales and parts of Scotland and Cornwall, in dark green. Major cities like London, Winchester, and Edinburgh are marked, with surrounding seas labeled.

Heptarchy

Northumbria

Northumbria

historical kingdom, England

England

constituent unit, United Kingdom

Key People

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Aethelfrith

king of Bernicia and Deira

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Edwin

king of Northumbria

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Aelle

king of Deira