The Heptarchy is the name for the division of Anglo-Saxon England between the sixth and eighth centuries into petty kingdoms, conventionally the seven kingdoms of East Anglia, Essex, Kent, Mercia, Northumbria, Sussex, and Wessex. The term originated with the twelfth-century historian Henry of Huntingdon and has been widely used ever since, but it has been questioned by historians as the number of kingdoms fluctuated, and there was never a time when the territory of the Anglo-Saxons was divided into seven kingdoms each ruled by one king. The period of petty kingdoms came to an end in the eighth century, when England was divided into the four dominant kingdoms of East Anglia, Mercia, Northumbria, and Wessex.[1][2]
History
Although heptarchy suggests the existence of seven kingdoms, the term is just used as a label of convenience and does not imply the existence of a clear-cut or stable group of seven kingdoms. The number of kingdoms and sub-kingdoms fluctuated rapidly during this period as competing kings contended for supremacy.[3]
In the late 6th century, the king of Kent was a prominent lord in the south. In the 7th century, the rulers of Northumbria and Wessex were powerful. In the 8th century, Mercia achieved hegemony over the other surviving kingdoms, particularly during the reign of Offa the Great.
^Kirby, D. H. (2000). The Earliest English Kings (Revised ed.). London, UK: Routledge. pp. 4–7, 19. ISBN978-0-415-24211-0.
^Keynes, Simon (2014). "Heptarchy". In Lapidge, Michael; Blair, John; Keynes, Simon; Scragg, Donald (eds.). The Wiley Blackwell Encyclopedia of Anglo-Saxon England (2nd ed.). Chichester, West Sussex: Wiley Blackwell. p. 238. ISBN978-0-470-65632-7.
^Norman F. Cantor, The Civilization of the Middle Ages1993:163f.