Years: 854 855 856 857 - 858 - 859 860 861 862

Decades: 820s 830s 840s - 850s - 860s 870s 880s

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

Events

• Patriarch Ignatius is imprisoned and (December 25) deposed to be succeeded by patriarch Photius I.
• Louis the German invades West Francia , hoping to secure Aquitaine from his brother Charles the Bald, but fails.
• Emperor Seiwa ascends the throne of Japan.
• Nicholas I becomes pope.
• Donald I succeeds the throne of Scotland.

Births

Deaths

• January 13 - Ethelwulf, king of Wessex
• April 7 - Pope Benedict III
• Kenneth I of Scotland
• Emperor Montoku of Japan (b. 827)