Event Establishment of Northumbria

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

Chronology

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  • January 618: After the unification of the Anglian Kingdom of Northumbria, King Edwin of Northumbria led an invasion of Elmet which was incorporated into Northumbria on Easter in 627.
  • January 605: Æthelfrith of Bernicia united Deira and Bernicia by force, establishing the Kingdom of Northumbria around the year 604.