| content |
| Millennium: | 1st millennium |
| Centuries: | 6th century - 7th century - 8th century |
| Decades: | 610s 620s 630s - 640s - 650s 660s 670s |
| Years: | 640 641 642 643 644 645 646 647 648 649 |
| Categories: | Births - Deaths - Architecture Establishments - Disestablishments |
Events and Trends
- 640 — Occupation of Egypt and Syria by followers of Muhammad
- 642 — Conquest of Persia by followers of Muhammad which with those from the 630s made up the united Islamic Caliphate.
- late 640s — First Arab Islamic fleet created.
