811
| Years: 807 808 809 810 – 811 – 812 813 814 815 | |
| Decades: 780s 790s 800s – 810s – 820s 830s 840s | |
| Centuries: 8th century – 9th century – 10th century | |
Events
- July 26 – Battle of Pliska: Nicephorus I is defeated by the Bulgar khan Krum, and is succeeded by Stauracius as Byzantine emperor.
- October 1 – Michael I declared Byzantine emperor. Stauracius retires to a monastery.
- The Bulgars capture Sofia.
Births
Deaths
- July 26 – Nicephorus I, Byzantine emperor (slain in battle)
Categories: 811