Events

• Henry III of England declares himself of age and assumes power

Births

• September 30 - Pope Nicholas IV

Deaths

• March 18 - Pope Honorius III (b. 1148)
• August 1 - Shimazu Tadahisa, the first of Shimazu clan and Japanese warlord (b. 1179)
• August 18 - Genghis Khan founder of the Mongol Empire

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)
• Holy See - Honorius III pope (from 1216 to 1227)
• Mongol Empire - Genghis Khan, Mongol Khan (from 1206 to 1227)
• 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)