1222

Events

* April 17 - Stephen Langton, Archbishop of Canterbury, opens a council at Osney.
* The Cistercian convent is completed in Alcobaca, Portugal.
* Eric XI becomes King of Sweden.
* Premysl Ottokar I reunites Bohemia and Moravia.
* John III Ducas Vatatzes becomes Byzantine Emperor (in the Empire of Nicaea).
* Alexander of Hales enters the Franciscan Order.
* The Manden Charter is proclaimed in Mali.
* The Golden Bull of 1222 is issued in Hungary.

Births

* February 16 - Nichiren, Japanese founder of Nichiren Buddhism (d. 1282)
* August 4 - Richard de Clare, 6th Earl of Hertford, English soldier (d. 1262)
* Andrei II of Russia, Grand Prince of Vladimir (d. 1264)

Deaths

* June 23 -Constance of Aragon (b. 1179)
* August 2 - Count Raymond VI of Toulouse (b. 1156)
* August 12 - Ladislaus Jindrich of Bohemia
* King John I of Sweden
* Theodore I Lascaris, founder of the Byzantine Empire of Nicaea