665
| Years: 661 662 663 664 – 665 – 666 667 668 669 | |
| Decades: 630s 640s 650s – 660s – 670s 680s 690s | |
| Centuries: 6th century – 7th century – 8th century | |
Events
- Swithelm succeeded by Sighere and Sebbi as king(s) of Essex
- Seongnam renamed Hansanju.
- According to the Annales Cambriae, the Anglo-Saxons convert to Christianity after the "Second Battle of Badon".
- Battle of Bassorah in Bassorah (Basra)
Births
Deaths
- Brahmagupta, Astronomer.
Categories: 665