831
| Years: 827 828 829 830 - 831 - 832 833 834 835 | |
| Decades: 800s 810s 820s - 830s - 840s 850s 860s | |
| Centuries: 8th century - 9th century - 10th century | |
Events
- The Saracens capture Palermo.
- Saint Ansgar founds the first church in Sweden, at Birka
Deaths