fr:Années 830

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

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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 the Byzantine Empire (813-843).

Important people:

• Louis the Pious
• Egbert of Wessex
• Ansgar