850

For the American area code see area code 850.

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?)