fr:Années 620

Centuries: 6th century 7th century 8th century

Decades: 570s - 580s - 590s - 600s - 610s - 620s - 630s - 640s - 650s - 660s - 670s

Years: 620 621 622 623 624 625 626 627 628 629

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Events:

• 622 - Hegira - Muhammad and his followers withdraw from Mecca to Medina - starting year of the Muslim Era.