The political situation on the island of Britain (Britain) between the 4th and 7th centuries had completely changed with the abandonment of the island by Rome and the constant arrival of Anglo-Saxon tribes, from northern Germany and Denmark to the eastern part of Great Britain.
A situación política da illa de Gran Bretaña (Britania) entre os séculos IV e VII, mudou completamente co abandono da illa por parte de Roma e o constante establecemento de tribos anglosaxoas —procedentes do norte de Alemaña e Dinamarca— na parte oriental de Britania.