From Wikipedia, the free encyclopedia
|Centuries:||8th century – 9th century – 10th century|
|Decades:||810s 820s 830s – 840s – 850s 860s 870s|
|Years:||839 840 841 – 842 – 843 844 845|
By Place [change]
- 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.
Byzantine Empire [change]
- 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)