|Centuries:||6th century – 7th century – 8th century|
|Decades:||580s 590s 600s – 610s – 620s 630s 640s|
|Years:||616 617 618 – 619 – 620 621 622|
- Heraclius prepares to leave Constantinople. He moves the Byzantine capital to Carthage.
- The Second Perso-Turkic War is fought. It ends with a strong Persian victory.
- Muhammad's wife, Khadija, dies after 24 years of marriage.
- Kubrat, ruler of the Bulgars, is baptised in Constantinople.
- December 23 – Pope Boniface V succeeds Adeodatus I as the 69th pope of Rome.