Centuries: 8th century - 9th century - 10th century
Decades: 780s - 790s - 800s - 810s - 820s - 830s - 840s - 850s - 860s - 870s - 880s
Years: 830 831 832 833 834 835 836 837 838 839
Events:
- The first Swedes arrive in Russia. (The Rus, from Roslagen)
- The Viking raids in Western Europe get more severe. They plunder Dorestad and establish themselves in Ireland.
- Louis the Pious and his sons fight about the division of the empire.
- Second Iconoclastic period in Byzantium (813-843).
