721
| Years: 717 718 719 720 - 721 - 722 723 724 725 | |
| Decades: 690s 700s 710s - 720s - 730s 740s 750s | |
| Centuries: 7th century - 8th century - 9th century | |
Events
- Former Byzantine emperor Anastasius II leads a revolt against emperor Leo III
- Theuderic IV succeeds Chilperic II
- Battle of Covadonga is won by Pelayo, thus preventing the takeover of his Christian Kingdom of Asturias by the Islamic Moors.
- Battle of Toulouse
Births
- Abu Musa Jabir Ibn Hayyan, Arabian alchemist (approximate date)
- Al-Saffah, first Abbasid caliph (d. 754)
Deaths