September 29 – Aragonese forces led by King Peter III take the Muslim stronghold of Montesa, putting an end to two years of Mudéjar rebellion. The defeated Muslims are expelled from the realm and go into exile.[5]
November 17 – King Edward I ("Longshanks") raises the penalty for coin clipping from banishment to execution. All Jews are subjected to arrest and search of their homes on suspicion of coin clipping. Some 680 Jews are imprisoned in the Tower of London, with more than 300 subsequently executed. At this time, the Jewish population is believed to have been some 3,000.[6]
January – Charles I is crowned King of Jerusalem, and is recognized by the kingdom's barons at Acre. He surrenders the vicariate of Tuscany to Nicholas III. His bailiff, Roger of San Severino, appoints various Frenchmen from Charles' court as his chief officers. Bohemond VII, count of Tripoli (and nominal Prince of Antioch), acknowledges Roger as lawful bailiff.[7]
May 8 – The 7-year-old Emperor Emperor Duanzong (or Zhao Shi) dies of illness. He is succeeded by his brother Zhao Bing who becomes the last ruler of the Song dynasty. Meanwhile, Mongol forces under the control of Mongol leader Kublai Khan ("Great Khan") draw closer to the remnants of the Song imperial court.
Giles of Lessines writes his De usuris. He estimates that some credit contracts need not to be usurious, as "future things are not estimated to be of such value as those collected in the instant". The prevalence of this view in the usury debate allows for the development of the financial industry in Roman Catholic Europe.[8]
^Fine, John Van Antwerp (1987). The Late medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest, p. 193. Ann Arbor, Michigan: University of Michigan Press. ISBN0-472-08260-4.
^Fine, John Van Antwerp (1987). The Late medieval Balkans: A Critical Survey from the Late Twelfth Century to the Ottoman Conquest, p. 186. Ann Arbor, Michigan: University of Michigan Press. ISBN0-472-08260-4.
^Joseph F. O'Callaghan (2011). The Gibraltar Crusade: Castile and the Battle for the Strait, p. 75. ISBN978-0-8122-2302-6.
^Clauss, M. (2010). Rogers, Clifford, J. (ed.). The Oxford Encyclopedia of Medieval Warfare and Military Technology: Volume I, p. 552–554. Oxford: Oxford University Press. ISBN978-0195334036.