Centuries: 6th century - 7th century - 8th century
Decades: 590s 600s 610s 620s 630s - 640s - 650s 660s 670s 680s 690s
Years: 636 637 638 639 640 - 641 - 642 643 644 645 646
Events
- Founding of the city of Fustat, later Cairo, in Egypt.
- Revolt against Byzantine emperor Heraclonas; he is deposed and his brother Constans II becomes sole emperor.
- Caesarea surrenders to the Arabs
- Oswiu of Northumbria becomes Bretwalda
- Chindaswinth deposes Tulga, becomes king of the Visigoths.
Deaths
- Emperor Jomei of Japan
- February 11 - Heraclius, emperor of Byzantium\n