845

Years: 841 842 843 844 - 845 - 846 847 848 849

Decades: 810s 820s 830s - 840s - 850s 860s 870s

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

Events

• March 28 - Paris is sacked by Viking raiders, probably under Ragnar Lodbrok, who collect a huge ransom in exchange for leaving.
• Vikings also sack Hamburg and Melun.

Births

Deaths

• Michael I Rhangabes, Byzantine Emperor
• al-Khwarizmi, mathematician (approximate date)

See also: 845, 10th century, 810s, 820s, 830s, 840s, 841, 842, 843, 844