Events By Place Europe Swithelm's succeeded by Sighere and Sebbi as king(s) of Essex. Batbayan succeeds Kubrat in Onoguria. Asia The city of Seongnam's renamed Hansanju. By Topic Religion According to the Annales Cambriae, the Anglo-Saxons convert to Christianity after the Second Battle of Badon. Births Deaths April 16 - Fructuosus of Braga Brahmagupta, Indian mathematician and astronomer (born 598) Li Zhong Yu Zhining Kubrat… (More on 665)