865
| Years: 861 862 863 864 – 865 – 866 867 868 869 | |
| Decades: 830s 840s 850s – 860s – 870s 880s 890s | |
| Centuries: 8th century – 9th century – 10th century | |
Events
- Ethelred succeeds as king of Wessex (or 866).
- Ragnar Lodbrok invades England, but is defeated by king Ella of Northumbria
- A Russian expedition for the first time threatens Constantinople.
- Louis the German divides his kingdom among his sons.
- Lothair, threatened with excommunication, takes back his first wife,
- Bulgaria under Boris I converts to Orthodox Christianity.
Births
Deaths
- Saint Ansgar (b. 801)
- Ragnar Lodbrok, King of Denmark and Sweden
- Ethelbert, king of Wessex (or 866)
Categories: 865