850

For the American area code see area code 850.

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	820s  830s  840s  – 850s –  860s  870s  880s
Years:	847 848 849 – 850 – 851 852 853

850 by topic
Arts, history, and science
Archaeology Architecture Art Literature Poetry Music Science
Countries
Lists of leaders
State leaders Colonial governors Religious leaders
Birth and death categories
Births Deaths
Establishments and disestablishments categories
Establishments Disestablishments
Works category
Works

850 Media

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  Viking expansion with conquered areas

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  King Rorik conquers Friesland (1912)

850 (DCCCL) was a common year starting on Wednesday of the Julian calendar, the 850th year of the Common Era (CE) and Anno Domini (AD) designations, the 850th year of the 1st millennium, the 50th year of the 9th century, and the 1st year of the 850s decade. As of the start of 850, the Gregorian calendar was 4 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

• April 20 - Guntherus becomes Bishop of Cologne.
• Montuko succeeds Nimmyo as emperor of Japan.
• Louis II is crowned co-emperor with his father Lothair II.
• First recorded Viking attack on the Welsh coast.

Births

• Emperor Seiwa of Japan, 56th imperial ruler of Japan (b. 881)
• Al Battani, Arab prince and astronomer (approximate date) (b. 929)
• Arnulf of Carinthia, King of the East Franks (b. 899)
• Harald Harfagre, King of Norway (b. 933)

Deaths

• Emperor Nimmyo of Japan (b. 910)
• Ramiro I of Astarius (b. 790?)