831

Europe

 * succeeds as Khan of
 * The s capture.
 * reinstated following the end of the first of his reign

Asia

 * In this year, an  sued the son of a   grand general who had failed to repay a debt of 11 million government-issued  coins.  soon heard the news, and was so upset that he not only banished the general, but attempted to ban all trade between Chinese and foreigners except for in the goods of . This ban was unsuccessful, and trade with foreigners assumed, especially in  affairs overseas.

Religion

 * founds the first church in, at