July. October 27 – Henry III signs a truce with King Louis IX (the Saint) and returns to Portsmouth. He leaves a small force under Peter I and Ranulf de Blondeville, to act against the French in Brittany and Normandy. Middle East Battle of Yassıçemen: A Seljuk-Ayyubid coalition (some 40,000 men) defeats the Khwarazmians under Sultan Jalal al-Din Mangburni at Erzincan on the Upper-Euphrates. By topic Literature The Carmina Burana poetry and song collection is created (approximate date). Births Anna of Hohenstaufen, empress of Nicaea (d. 1307) Adelaide of Holland, Dutch countess and regent (d. 1284) Bentivenga da Bentivengi, Italian cardinal (d. 1289) Boniface VIII, pope of the Catholic Church (d. 1303) Edmund de Lacy, English nobleman and knight (d. 1258) Elisabeth of Brunswick, German queen consort (d. 1266) Gottfried Hagen, German cleric and writer (d. 1299) Guillaume de Beaujeu, French Grand Master (d. 1291) Guillaume Durand, French bishop and writer (d. 1296) Henry of Castile (the Senator), Spanish prince (d. 1303) Hermann of Buxhoeveden, German bishop (d. 1285) Hugh Aycelin, French cardinal and theologian (d. 1297) Hu Sanxing (or Shenzhi), Chinese historian (d. 1302) Jacobus de Voragine, Italian archbishop (d. 1298) Leonardo Patrasso, Italian cardinal-bishop (d. 1311) Margaret Sambiria, Danish queen consort (d. 1282) Masuccio Primo, Italian architect and sculptor (d. 1306) Maud de Lacy, Norman-Irish noblewoman (d. 1304) Odo (or Eudes), French nobleman and knight (d. 1266) Peter Quinel, English archdeacon and bishop (d. 1291) Squarcino Borri, Italian mercenary leader (d. 1277) Yaroslav III of Tver, Kievan Grand Prince (d. 1271) Deaths January 30 – Pelagio Galvani, Leonese cardinal (b. 1165) February 1 – Matsudono Motofusa, Japanese nobleman May 2 – William de Braose, English nobleman and knight May 13 – Casimir I of Opole, Polish nobleman and knight July 12 – Margaret of Blois, French noblewoman (b. 1170) July 19 –Theobald le Botiller, Norman nobleman (b. 1200) July 25 – Rudolph van Coevorden, Dutch nobleman (b. 1192) July 28 – Leopold VI, German nobleman and knight (b. 1176) July 29 – Hōjō Tokiuji, Japanese nobleman and spy (b. 1203) August 24 – Geoffrey de Saye, English nobleman (b. 1155) September 9 – Siegfried II, archbishop of Mainz (b. 1165) September 24 – Alfonso IX, king of León and Galicia (b. 1171) October 25 – Gilbert de Clare, English nobleman (b. 1180) November 20 – Nicola de la Haye, English noblewoman November 24 – Matthew II, French nobleman