Centuries: 12th century - 13th century - 14th century
Decades: 1180s 1190s 1200s 1210s 1220s - 1230s - 1240s 1250s 1260s 1270s 1280s
Years: 1231 1232 1233 1234 1235 - 1236 - 1237 1238 1239 1240 1241
Events
- May 6 - Roger of Wendover, Benedictine monk and chronicler of St Albans's Abbey dies. His chronicle is continued by Matthew Paris.
- Wu Tian Xiang, the most renowned Chinese patriot of the Song Dynasty
- May 6 - Roger of Wendover, Benedictine monk and chronicler.
- Aragon - James I King of Aragon and count of Barcelona (reigned from 1213 to 1276)
- Castile - Ferdinand III, the Saint King of Castile and Leon (reigned from 1217 to 1252)