 Prominent Qarakhanids such as Mahmud Kashghari hold a high position among modern Uyghurs.Kashghari viewed the least Persianified Turkic dialects as the "purest" and "the most elegant".In 1124 the Khitan people, nomadic people from northeast Asia, led by Yelü Dashi and the royal family marched from Kedun to establish the Qara Khitai in Central Asia.