831

Millennium:	1st millennium
Centuries:	8th century – 9th century – 10th century
Decades:	800s 810s 820s – 830s – 840s 850s 860s
Years:	828 829 830 – 831 – 832 833 834

831 by topic
Politics
State leaders – Sovereign states
Birth and death categories
Births – Deaths
Establishment and disestablishment categories
Establishments – Disestablishments

Events

Malamir succeeds Omurtag as Khan of Bulgaria.
The Saracens capture Palermo.
Louis the Pious is reinstated following the end of the first civil war of his reign.
Nominoe is designed missus imperatoris by Louis the Pious and ducatus ipsius gentis of the Bretons.

In this year, an Uyghur Turk sues the son of a Chinese Tang Dynasty grand general who had failed to repay a debt of 11 million government-issued copper coins. Emperor Wenzong of Tang soon hears the news, and is so upset that he not only banishes the general, but attempts to ban all trade between Chinese and foreigners except for goods and livestock. This ban is unsuccessful, and trade with foreigners resumes, especially in maritime affairs overseas.