799
| Years: 795 796 797 798 - 799 - 800 801 802 803 | |
| Decades: 760s 770s 780s - 790s - 800s 810s 820s | |
| Centuries: 7th century - 8th century - 9th century | |
Events
- 29 November - Pope Leo III, aided by Charles the Great, returns to Rome.
- April 13 - Paul the Deacon, historian
- September 4 - Musa al-Kazim, Shia Imam