Reign and Christianization
Edwin came to dominate much of Anglo-Saxon England; Bede ascribed to him imperium and the Anglo-Saxon Chronicle styled him bretwalda, ruler of Britain, his authority reaching across Bernicia, Deira, eastern Mercia, the Isle of Man, and Anglesey.
According to the OCA synaxarion, an assassination attempt in 626, in which his minister Lilla died shielding him, preceded his conversion; Paulinus convinced Edwin that he had been preserved by divine intervention. After his baptism Edwin ruled for some six years, promoting Christianity and beginning the construction of a stone church at York, which was completed by his successor Oswald.