Centuries: 6th century - 7th century - 8th century
Decades: 590s 600s 610s 620s 630s - 640s - 650s 660s 670s 680s 690s
Years: 637 638 639 640 641 - 642 - 643 644 645 646 647
Events
- August 5 - In the Battle of Maserfield, Penda king of Mercia defeats and kills Oswald, king of Bernicia.
- November 24 - Theodore succeeds John IV as Pope.
- Battle of Nehaward: Arabs conquer Persia.
- Empress Kogyoku ascends to the throne of Japan.
- Benzmer succeeds Kubrat as ruler of the Bulgars.
- Monastic settlement founded in Hampshire, England, later became Winchester Cathedral.
Deaths
- August 5 - Oswald, king of Bernicia and Bretwalda
- October 12 - Pope John IV\n