823
| Years: 819 820 821 822 – 823 – 824 825 826 827 | |
| Decades: 790s 800s 810s – 820s – 830s 840s 850s | |
| Centuries: 8th century – 9th century – 10th century | |
Events
- Crete is conquered from the Byzantines by the Saracens.
- Emperor Junna ascends to the throne of Japan.
Births
- June 13: Charles the Bald, Frankish king and emperor (d. 877)
Deaths
Categories: 823