who have fought for the Papal States in the so-called Italian Crusades. August – Italian Crusaders massacre Muslim merchants and peasants, and some local Christians in Acre. Some claim it began at a drunken party – others that a European husband found his wife making love to a Muslim. The barons and local knights try to rescue a few Muslims and take them to the safety of the castle, while some ringleaders are arrested. August 30 – Survivors and relatives of the massacre at Acre take bloodstained clothing to Sultan Qalawun (the Victorious) in Cairo, who demands that the leaders of the riot be handed over for trial. But the nobles refuse to send the ringleaders, Qalawun now got legal clearance from the religious authorities in Cairo to break the truce with Crusader states. October – Qalawun (the Victorious) orders a general mobilization of the Mamluk forces. In a council, is decided that a peace delegation is sent to Cairo under Guillaume de Beaujeu, Grand Master of the Knights Templar. But Qalawun demands huge compensation for those killed in Acre, and sends a Syrian army to the coast of Palestine, near Caesarea. November 10 – Qalawun (the Victorious) dies as the Egyptian Mamluk army sets out for Acre. He is succeeded by his eldest son Al-Ashraf Khalil as ruler of the Mamluk Sultanate. Kahlil orders his allies and tributaries in Syria to prepare for a campaign next spring. Governors and castle commanders are ordered to assemble siege equipment and armor. Asia June 13 – Shamsuddin II, Mamluk ruler of the Delhi Sultanate, is murdered and succeeded by Jalal ud-Din Khalji (or Firuz Shah I), founder of the Khalji Dynasty. Ending Mamluk rule and instigating the Khalji Revolution. September 27 – The 6.8 Zhili earthquake affects the province of Zhili in China, with a maximum Mercalli intensity of IX (Violent), killing 7,270–100,000 people. By topic Art and Culture June 8 – Beatrice Portinari, muse of the Italian poet Dante Alighieri, dies. In his Divine Comedy (La Divina Commedia), he transforms his memory of Beatrice into an allegory of divine love. Climate and Weather Year without winter – An exceptionally rare instance of uninterrupted transition, from autumn to the following spring, in England and the mainland of Western Europe. Education March 1 – The University of Coimbra is founded in Lisbon by Denis I (the Poet King). He decrees that Portuguese is