Years: 866 867 868 869 - 870 - 871 872 873 874

Decades: 840s 850s 860s - 870s - 880s 890s 900s

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

Events

• February 28 - End of the Fourth Council of Constantinople.
• The Danes invade England and conquer East Anglia.
• Among the buildings destroyed by the Danish invaders are the abbey of Ely and the monastery of Peterborough.
• December 31 - King Alfred of Wessex beats the Danes at Englefield , Berkshire. First of a series of battles between Wessex and the Danes.
• Malta is conquered by Arabs from Sicily.
• Establishment of autonomous Bulgarian Archbishopric.
• Treaty of Mersen: Charles the Bald and Louis the German divide Lotharingia among themselves.
• Borivoj becomes duke of Bohemia.
• Michael II succeeds Michael I as patriarch of Alexandria
• Charles the Bald marries Richilde.

Births

• Edward the Elder, king of England (approximate date)
• Al-Farabi
• Zwentibold, king of Lotharingia

Deaths

• November 20 - King Edmund of East Anglia
• al-Bukhari, Hadith writer