850
- For the American area code, see area code 850.
| Years: 846 847 848 849 - 850 - 851 852 853 854 | |
| Decades: 820s 830s 840s - 850s - 860s 870s 880s | |
| Centuries: 8th century - 9th century - 10th century | |
Events
- April 20 - Guntherus becomes Bishop of Cologne.
- Montoku succeeds Nimmyo as emperor of Japan.
- Louis II is crowned co-emperor with his father Lothair I.
- First recorded Viking attack on the Welsh coast.
Births
- Emperor Seiwa of Japan, 56th imperial ruler of Japan (d. 881)
- Al-Batani, Arab prince and astronomer (approximate date) (d. 929)
- Arnulf of Carinthia, King of the East Franks (d. 899)
- Harald Harfagre, King of Norway (d. 933)
Deaths