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Heads of State
Year of the Earth- pig己亥(at the beginning of earth - dog戊戌)
Syria: 1550/51 ( year October )
Politics and World Affairs
- Spell of Frederick II by Gregory IX. A power struggle between the popes Gregory IX, Innocent IV and the Emperor begins, which ends with the extinction of the Hohenstaufen. .
- Battle of Aimonte. Victory of the Portuguese under Sancho II over the Moors. (see Reconquista )
- Siege of Vienna from June to December by Frederick the Belligerent, surrender of the city
- First mention of Brehmen, Doettingen, Klingnau, Ostermundigen, Pearl Mountain, Prohn, Rietheim and stone walls
- Baldwin II is crowned emperor of Constantinople Opel.
- November 13: A part of the crusade army of the barons at the battle of Gaza is subject to the Ayyubids.
- Babai uprising
- 1237: " Urrätselspiel " (see singers at Wartburg )
- Thomas Aquinas begins with the study of the liberal arts in Naples.
- Meng Rai the Great, king of Lan Na ( † 1311 )
- March 05: Hermann von Balk, knights of the Teutonic Order, German master, country master of Prussia and Livonia
- 20 March: Hermann von Salza, Grand Master of the Teutonic Order and politician (c. 1179 )
- March 28: Go- Toba, 82nd Emperor of Japan (* 1180)
- 05 June: Odon Władysław, Duke of Greater Poland (* 1190 )
- 000August: Thomas of Capua, a papal diplomat, Cardinal Elect of Naples ( * before 1185 )
- October 5: Robert of Courtenay, Lord of Champignelles (* 1168 )
- October 16: Přemysl, Margrave of Moravia (c. 1209)
- 000November: John Braine, Count of Vienne and Mâcon (* 1198 )
- NOVEMBER 1: William of Savoy, Bishop of Valence and Liege (c. 1201)
- November 13: Henry II, Count of Bar (* 1190 )
- Simon of Dammartin, Count of Aumale and Ponthieu