842

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	810s  820s  830s  – 840s –  850s  860s  870s
Years:	839 840 841 – 842 – 843 844 845

842 by topic
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842 Media

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  Empress Theodora with her son Michael III

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  Greek icon of Theodora (c. 815 – after 867)

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  Abbasid dinar of al-Mutasim, he became ill and died on 05–01–842

842 (DCCCXLII) was a common year starting on Sunday of the Julian calendar, the 842nd year of the Common Era (CE) and Anno Domini (AD) designations, the 842nd year of the 1st millennium, the 42nd year of the 9th century, and the 3rd year of the 840s decade. As of the start of 842, the Gregorian calendar was 4 days ahead of the Julian calendar, which was the dominant calendar of the time.

Events

• February 14 – Charles the Bald and Louis the German sign a treaty.
• Oaths 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.
• Uurad is succeeded by Bred, then Ciniod.
• Charles the Bald marries Ermentrude.
• Three year old Michael III succeeds Theophilus (emperor) as emperor of Byzantium.
• End of the reign of caliph Moqtasim.
• Uyghurs leave the Mongolian plateau.

Deaths

• January 5 — Al-Mu'tasim, Abbasid caliph (b. 794)
• Emperor Saga of Japan (b. 786)
• Alfonso II of Asturias (b. 759)
• Theophilus, Byzantine Emperor (b. 813)
• Liu Yuxi, Chinese poet, philosopher, and essayist (born 772)