Where did the Uyghur people originate?
History of the Uyghur people
Following the collapse of the Uyghur Khaganate, the Uyghur gave up Mongolia and dispersed into present day Gansu and Xinjiang.  In 843 Chinese forces watched over Uyghur leftovers located in Shanxi province during a rebellion, until reinforcements arrived.[20] The Uyghur later founded two kingdoms: