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| Birth Mortimer, Roger de |  |
| Birth of Roger de Mortimer |
| Birth Warenne, John de | |
| Birth of John de Warenne |
| Burial Marshal, William | |
| April London Buried at New Temple Church, London |
| Capital Iltutmish |  |
| Delhi Makes Delhi the capital of India |
| Capture of Korea Ogatai |  |
| Mongol forces capture Korea |
| Cardinal Alexander IV |  |
| Ostia Appointed Cardinal-Bishop of Ostia |
| Constitution Iltutmish | |
| Founds an independent Muslim state |
| Death Marshal, William | |
| 6th April Death of William Marshall, 1st Earl of Pembroke |
| Death Tsuchimikado |  |
| 6th Nov Death of Tsuchimikado |
| Exile of Roches Roches, Peter Des | |
| Roches returns to England |
| Invasion of Anatolia Ala ud-Din Kaikobaf |  |
| Anatolia Ayyubid invasion of Anatolia |
| Marriage Richard of Cornwall | |
| 13th Mar Fawley Marries Lady Isabella Marshal, daughter of William Marshal, 4th Earl of Pembroke |
| Peace Henry III | |
| 4th July Agrees a truce with France for 3 yrs |
| Peerage Montfort, Simon de | |
| Leicester Created Earl of Leicster, the 1st Earl of England |
| Peerage Otto II the Illustrious |  |
| Bavaria Created Duke |
| Rule of Prussia Frederick II | |
| Pope Gregory IX takes control of Prussia & leases it to the Teutonic Knights |
| Rule of Prussia Gregory IX | |
| Pope Gregory IX takes control of Prussia & leases it to the Teutonic Knights |
| Succession Otto II the Noble | |
| Bavaria Succeeds as Duke of Bavaria |
| Succession John of Brienne | |
| Constantinople Succeeds as Emperor of Constantinople |
