5。 Northumbrian school northumbria An Anglo-Saxon kingdom of northern England formed in the seventh century by the union of bernicia and deira. Angle AF kingdoms originally established cad500 Much of Northumbria fell to invading Danes in the ninth century and was annexed to essex in 954 2021/2/23 62021/2/23 6 5. Northubrian School  (1). Northumbria：  An Anglo-Saxon kingdom of northern England formed in the seventh century by the union of Bernicia and Deira, Angle kingdoms originally established c. a.d. 500. Much of Northumbria fell to invading Danes in the ninth century and was annexed to Wessex in 954