640s

Centuries: 6th century 7th century 8th century

Decades: 590s - 600s - 610s - 620s - 630s - 640s - 650s - 660s - 670s - 680s - 690s

Years: 640 641 642 643 644 645 646 647 648 649 650

Events

• 640 - Occupation of Egypt and Syria by followers of Muhammad
• 642 - Occupation of Persia by followers of Muhammad which with those from the 630s made up the united Islamic Caliphate.
• late 640s - First Arab fleet created.