evidence: They are two groups under the name Uriankhai: Mongol Uriankhai, Uriankhai (Tuva) of mixed Turkic-Mongol origin. All clans of the Mongol Uriankhai are Mongol, and Tuva Uriankhais have both Turkic and Mongol clans.[24][25] In the beginning of the Mongol Empire (1206–1368), the Mongol Uriankhai (Burkhan Khaldun Uriankhai) were located in central Mongolia[26] but in the mid 14th century they lived in Liaoyang province of modern China. In 1375, Naghachu, Uriankhai leader of the Mongolia-based colonial dynasty in Liaoyang province invaded Liaodong with aims of restoring the Mongols to power. Although he continued to hold southern Manchuria, Naghachu finally surrendered to the Chinese Ming dynasty in 1387–88 after successful diplomacy of the latter.[27] After the rebellion of the northern Uriankhai people, they were conquered by Dayan Khan in 1538 and mostly annexed by the northern Khalkha. Batmunkh Dayan Khan dissolved Uriankhai tumen and moved them to Altai Mountains and Khalkha land. [...] - ^ "Tuva-Online: Ancient Uyghur Fortress on a Tuvan Lake to Turn into a R…". archive.is. 18 September 2012. Archived from the original on 18 September 2012.