Mstislav Mstislavich and Konstantin of Rostov defeat Konstantin's younger brothers Yuri II and Yaroslav II for the rule of the Principality of Vladimir-Suzdal (modern Russia). July 24 – Albigensian Crusade: French forces under Raymond VII, count of Toulouse, besiege Castle Beaucaire in May. After three months, the occupants are running low on supplies and surrender to Raymond. Levant February 14 – King Leo II (the Magnificent), with support of the Knights Hospitaller, reconquers the Principality of Antioch. Armenian troops enter Antioch, while Prince Bohemond IV (the One-Eyed) is absent. The Knights Templar, supporting Bohemond, abandon the citadel, and Raymond-Roupen is installed as Prince of Antioch by the Latin Patriarch, Peter II (of Ivrea). October 8 – Az-Zahir Ghazi, Ayyubid ruler of Aleppo, dies after a 23-year reign. He is succeeded by his 3-year-old son Al-Aziz Muhammad. Because of his young age, Toghril becomes Al-Aziz's regent or guardian (atabeg). By topic Literature Roger of Wendover, English monk and chronicler, at St Albans Abbey, begins to cover contemporary events, in his continuation of the chronicle Flores Historiarum. Religion May – Pope Innocent III travels to Perugia to try to settle the long feud between Genoa and Pisa, that both states might contribute to the transport of the Fifth Crusade. There, after a short illness, Innocent dies on July 16. Two days after his death the aged Cardinal Cencio Savelli (later Honorius III) is elected as the 177th pope of the Catholic Church. December 22 – Honorius III officially approves the Order of Preachers (the Dominican Order), by the Papal bull Religiosam vitam. Ballintubber Abbey is founded by King Cathal Crobhdearg Ua Conchobair of Connacht, in Ireland. Births September 25 – Robert I, French nobleman (d. 1250) Al-Mahdi Ahmad bin al-Husayn, Arab ruler (d. 1258) Bernard Ayglerius (or Aygler), French cardinal (d. 1282) Contardo of Este, Italian nobleman and knight (d. 1249) Eric IV (the Plowpenny), king of Denmark (d. 1250) Eric XI (the Lisp and Lame), king of Sweden (d. 1250) Henry V (the Great), count of Luxembourg (d. 1281) Liu Bingzhong (or Liu kan), Chinese adviser (d. 1274) Nijō Yoshizane, Japanese nobleman (kugyō) (d. 1270) Safi al-Din al-Urmawi, Persian musician (d. 1294) Stephen Longespée, English seneschal (d. 1260) Zahed Gilani, Arab Sufi leader and writer (d. 1301) Deaths January 18 – Guy II of Dampierre, French nobleman January 31 – Theodore II, patriarch of Constantinople February 23 – Geoffrey de Mandeville,