622
| Years: 618 619 620 621 - 622 - 623 624 625 626 | |
| Decades: 590s 600s 610s - 620s - 630s 640s 650s | |
| Centuries: 6th century - 7th century - 8th century | |
Events
- Hegira - Muhammad and his followers withdraw from Mecca to Medina - starting year of the Islamic calendar.
- Prince Shotoku, Japanese prince, one of the first Japanese to support Buddhism