805
| Years: 801 802 803 804 - 805 - 806 807 808 809 | |
| Decades: 770s 780s 790s - 800s - 810s 820s 830s | |
| Centuries: 8th century - 9th century - 10th century | |
Events
- Emperor Nicephorus I of Byzantium suffers a major defeat against the Saracens at Crasus.
- Tang Shun Zong succeeds Tang De Zong as emperor of China, but does not last till the end of the year.
- Oldest known mention of Magdeburg
Deaths