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.
Births
Deaths
- Prince Shotoku, Japanese prince, one of the first Japanese to support Buddhism
Categories: 622