Ethelred's soldiers killed many Viking families in the Danelaw. This made King Sweyn of Denmark angry. He invaded England and Ethelred ran away. Sweyn's son Cnut (also known as Canute) became king ...
St Edmund ruled the Anglo Saxon kingdom of East Anglia from AD855 until he was killed by invading Vikings in AD870. King Canute founded an abbey at the site of the Christian martyr's tomb in 1020.