History of the Uyghur people
The history of the Uyghur people, as with the ethnic origin of the people, is an issue of contention between Uyghur nationalists and the Chinese authority. Uyghur historians viewed the Uyghurs as the original inhabitants of Xinjiang with a long history. Uyghur politician and historian Muhemmed Imin Bughra wrote in his book "A history of East Turkestan", stressing the Turkic aspects of his people, that the Turks have a 9000-year history, while historian Turgun Almas incorporated discoveries of Tarim mummies to conclude that Uyghurs have over 6400 years of history, and the World Uyghur Congress claimed a 4,000-year history. Chinese historians however generally traced the origin of the Uyghurs to the Tiele, some to the Dingling as well as other people mentioned in ancient Chinese texts such as the Guifang. Official Chinese view asserts the Uyghurs to be of Tiele origin, and only became the main social and political force in Xinjiang during the ninth century when they migrated to Xinjiang from Mongolia after the collapse of the Uyghur Khaganate, replacing the Han Chinese that they claimed were there since the Han Dynasty. Many modern Western scholars however do not consider the modern Uyghurs to be of direct linear descent from the old Uyghur Khaganate of Mongolia, rather they are descendants of a number of people, of which the ancient Uyghurs are but one.
Uyghurs
The 12th and 13th century saw the domination by non-Muslim powers: first the Kara-Khitans in the 12th century, followed by the Mongols in the 13th century. After the death of Genghis Khan in 1227, Transoxiana and Kashgar became the domain of his second son, Chagatai Khan. The Chagatai Khanate split into two in the 1340s, and the area of the Chagatai Khanate where the modern Uyghurs live became part of Moghulistan, which meant "land of the Mongols". In the 14th century, a Chagatayid khan Tughluq Temür converted to Islam. His son Khizr Khoja conquered Qocho and Turfan (the core of Uyghuristan) in the 1390s, and the Uyghurs there became largely Muslim by the beginning of the 16th century. After being converted to Islam, the descendants of the previously Buddhist Uyghurs in Turfan failed to retain memory of their ancestral legacy and falsely believed that the "infidel Kalmuks" (Dzungars) were the ones who built Buddhist structures in their area.