June– The 16-year-old Alexander Nevsky is elected by the Novgorodians as prince (knyaz) of Novgorod, beseeching the young Kievan noble to take charge of the city's military affairs.
The Mongols under Batu Khan, eldest of Jochi, sweep across Central Asia. They settle in the Russian steppe, curtailing the power of the Kievan Rus', extracting tribute from their neighbors, and disrupting their relationship with the Byzantine Empire.
Autumn –Siege of Bilär: The Mongols under Batu Khan capture the capital city of Bilär after a siege that lasts for 45 days. The Volga Bulgars are defeated within the year, as are the Kipchaks and Alans.
The Goryeo court in Korea orders the preparation of another set of woodblocks for printing the Buddhist Tripiṭaka ("Triple Basket") – which is intended both to gain protection against the Mongol invaders and to replace the earlier 11th century set that has been destroyed by the Mongols (see 1232).
Longnon, Jean (1969). The Frankish States in Greece, 1204–1311, p. 219. Madison, Milwaukee, and London: University of Wisconsin Press. ISBN0-299-04844-6.
Howell, Margaret (2001). Eleanor of Provence: Queenship in Thirteenth-Century England, pp. 15–17. Oxford, UK: Blackwell Publishers. ISBN978-0-631-22739-7.