Events

• The Sixth Crusade is launched by Frederick II, Holy Roman Emperor, after delays due to sickness and an excommunication from Pope Gregory IX.
• Conrad IV of Germany becomes titular King of Jerusalem, with Frederick II as regent.
• Baldwin II becomes emperor of the Latin Empire in Constantinople, with John of Brienne as regent.
• Amadeus IV becomes count of Savoy.
• Francis of Assisi founder of the Franciscan order Canonized by Pope Gregory IX
• Sukaphaa the first Ahom king establishes his rule in Assam. The Ahom kings reigned for close to 600 years.

Births

• April 25 Conrad IV of Germany at Andria Italy
• Count William II of Holland

Deaths

• July 9 - Stephen Langton, Archbishop of Canterbury
• Robert of Courtenay, emperor of the Latin Empire
• Yolande of Jerusalem, titular Queen of Jerusalem

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)
• Navarre - Sancho VII the Strong King of Navarre (reigned from 1194 to 1234)
• Portugal - Afonso II, the Fat, King of Portugal (reigned from 1212 to 1233)
• Venice - Pietro Ziani Doge of Venice (ruled from 1205 to 1229)