Main Page | See live article | Alphabetical index 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 early 640s - Arab conquest of Egypt late 640s - first Arab fleet created This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.