Years: 831 832 833 834 - 835 - 836 837 838 839

Decades: 800s 810s 820s - 830s - 840s 850s 860s

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

Events

• Ragnar Lodbrok rises to power (approximate date)
• The celebration of All Saints is made an obligation throughout the Frankish Empire and fixed on November 1.
• Viking raid of Dorestad.

Births

Deaths

• November 27 - Muhammad at-Taqi, Shia Imam
• Kukai founder of Shingon Buddhism in Japan