864

Centuries: 8th century - 9th century - 10th century

Decades: 810s 820s 830s 840s 850s - 860s - 870s 880s 890s 900s 910s

Years: 859 860 861 862 863 - 864 - 865 866 867 868 869

• Khan Boris I of Bulgaria[?] is baptized an Orthodox Christian.
• Louis II marches against Rome, but getting ill decides on making peace with the Pope.
• Orso I Participazio[?] becomes Doge of Venice.

Births

• Abu Bakr Mohammad Ibn Zakariya al-Razi, a Hakim[?] polymath born at Ray[?] in Iran

Deaths

• Halfdan the Black, King of parts of Norway