Years: 1235 1236 1237 - 1238 - 1239 1240 1241

Decades: 1200s 1210s 1220s - 1230s - 1240s 1250s 1260s

Centuries: 12th century - 13th century - 14th century

Events

• In the Iberian peninsula, James I of Aragon captures the city of Valencia September 28 from the Moors; the Moors retreat to Granada.
• Mongols seize Moscow, at that time a small town.
• Peterborough Cathedral is consecrated.
• The Khmers are expelled from Luang Phrabang in Laos.
• The Sukhothai kingdom is founded in Thailand.
• The seat of the patriarchate of Aquileia is transferred to Udine.
• Simon de Montfort marries Eleanor, sister of Henry III of England.

Births

• Shri Madhvacharya, Vaishnavite saint and founder of Dvaita school of thought, at Pajaka, Udupi

Deaths

• Henry I of Poland, in battle with the Mongols.

Monarchs/Presidents

• 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)