| content |
| Millennia: | 1st millennium |
| Centuries: | 8th century - 9th century - 10th century |
| Decades: | 790s 800s 810s - 820s - 830s 840s 850s |
| Years: | 820 821 822 823 824 825 826 827 828 829 |
| Categories: | Births - Deaths - Architecture Establishments - Disestablishments |
Events and Trends
- Egbert of Wessex rises to the position of Bretwalda.
- The Saracens conquer Crete and invade Sicily.
- The Kingdom of Navarre is established.
- 829 — Ansgar established the first church in Sweden.
Significant people
