of Granada. Yaghmurason invades Morocco but meets a reverse at the battle 1273: Death of Jalal al-Din Muhammad Rumi. 1274: Death of Nasir al-Din Tusi. The Marinids wrest Sijilmasa from the Ziyyanids. Ninth crusade under Edward I of England. The crusade ends in fiasco and Edward returns to England. 1277: Death of Baibars. 1280: Battle of Hims. 1283: Death of Yaghmurasan. Accession of his son Othman. 1285: Tunisis splits in Tunis and Bougie. 1286: Death of Ghiyas ud din Balban. Death of Abu Yusuf Yaqub. Bughra Khan declares his independence in Bengal under the name of Nasiruddin. 1290: End of the slave dynasty in India Jalal ud din Firuz Khalji comes into power. Othman embarks on a career of conquest and, by 1290, most of the Central Maghreb is conquered by the Ziyyanids. 1291: Death of Iranian poet Saadi. 1296: Alauddin Khalji ascended the throne of Delhi. Mongol ruler Ghazan Khan converted to Islam. 1299: Mongols invade Syria. The Marinids besiege Tlemcen, the capital of the Ziyyanid Kingdom of Tlemcen. By the end of this century, global Muslim population had grown to 7 per cent of the total. See also Timeline of Muslim history 13