665

By place

Europe

• Kubrat, ruler of Great Bulgaria, dies after a 33-year reign. He is succeeded by his son Batbayan, who rules from Poltava the lands north of the Black Sea and the Sea of Azov.

  Britain

• Conflict erupts between King Sighere of Essex and his brother Sæbbi, as they struggle for overlordship between Mercia and Wessex.

  Arabian Empire

• Muslim Conquest: An Arab army advances through the desert and captures the Byzantine city of Barca.

  Asia

• The city of Seongnam is renamed Hansanju.
• Wu Zetian, the wife of the Chinese emperor, unofficially becomes a powerful and influential ruler by eliminating her political rivals.

  By topic

Religion

• Wilfrid, Anglo-Saxon abbot, refuses to be consecrated in Northumbria as bishop, and travels to Compiègne to be consecrated by Agilbert, archbishop of Paris.
• Jaruman, bishop of Mercia, is dispatched with Christian missionaries to reconvert Saxon tribes, which have returned to paganism.
• According to the Annales Cambriae, the Anglo-Saxons convert to Christianity after the Second Battle of Badon.
• Sighere encourages his subjects to reject Christianity and return to their indigenous religion.

  Science

• Brahmagupta writes his Khandakhadyaka.