Sultan Said Khan
In May, 1514, Sultan Said Khan, grandson of Yunus Khan (ruler of Moghulistan between 1462 and 1487) and third son of Ahmad Alaq, made an expedition against Kashgar from Andijan with only 5000 men, and having captured the Yangi Hissar citadel, that defended Kashgar from south road, took the city, dethroning Mirza Abu-Bakr. Soon after, other cities of Eastern Turkestan — Yarkant, Khotan, Aksu, and Uch Turpan — joined him, and recognized Sultan Said Khan as ruler, creating a union of six cities, called Altishahr. Sultan Said Khan's sudden success is considered to be contributed to by the dissatisfaction of the population with the tyrannical rule of Mirza Abu-Bakr and the unwillingness of the dughlat amirs to fight against a descendant of Chagatai Khan, deciding instead to bring the head of the slain ruler to Sultan Said Khan. This move put an end to almost 300 years of rule (nominal and actual) by the Dughlat Amirs in the cities of West Kashgaria (1219–1514). He made Yarkand the capital of a state, "Mamlakati Yarkand" which lasted until 1678.