860
| Years: 856 857 858 859 - 860 - 861 862 863 864 | |
| Decades: 830s 840s 850s - 860s - 870s 880s 890s | |
| Centuries: 8th century - 9th century - 10th century | |
Events
- First attack on Constantinople by Kievan Vikings (the Rus).
- Ethelbert succeeds as king of Wessex.
- Byzantine missionaries Cyril and Methodius arrive in Khazaria.
- The later Harald I of Norway becomes king.
- Michael I succeeds Sophronius I as patriarch of Alexandria.
- Hrolf Ganger, Viking leader, later duke (or count) of Normandy
- Ethelbald, king of Wessex
- Halfdan the Black, king of parts of Norway