• Oath of Strasbourg - alliance of Louis the German and Charles the Bald against emperor Lothar - sworn and recorded in vernacular languages.
• Ramiro I succeeds Alfonso II as king of Asturias.
• Three year old Michael III succeeds Theophilus II as emperor of Byzantium.
• Uurad[?] is succeeded by Bred[?], then Kineth[?].
• End of the reign of caliph Moqtasim[?].
• Charles the Bald marries Ermentrude[?].

Births

Deaths

• Emperor Saga of Japan
• Alfonso II of Asturias
• Byzantine Emperor Theophilus II