Uriankhai (/ˈʊriənˌxaɪ/ UUR-ee-ən-KHY) is a term of address applied by the Mongols to a group of forest peoples of the North, who include the Turkic-speaking Tuvans and Yakuts, while sometimes it is also applied to the Mongolian-speaking Altai Uriankhai. The Uriankhai included the western forest Uriankhai tribe and the Transbaikal Uriankhai tribe, with the former recorded in Chinese sources as Chinese: 兀良哈; pinyin: Wùliánghā.
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Uriyangkhai in the context of Tumen Zasagt Khan
Zasagt Khan (Mongolian: Засагт Хаан; Chinese: 扎薩克圖汗), born Tümen (Mongolian: Түмэн; Chinese: 圖們) (1539–1592), was a khagan of the Northern Yuan dynasty, reigning from 1558 until his death in 1592. He succeeded Darayisung Gödeng Khan and ruled directly over the Chahar. During his reign, the Mongols conquered the Daur and Evenk tribes.
Zasagt Khan was the first of three sons of Darayisung Gödeng Khan. His authority was validated by Altan Khan, and he later coordinated Altan's actions to win over the Uriyangkhai and Daur Mongols. His relatives, Abtai Khan and Khutughtai Sechen Khung Taiji, brought a significant portion of the Four Oirats back into the Mongol fold. In addition to conducting successful raids against the Ming dynasty, Zasagt Khan conquered Koko Nur and appointed his son as its ruler.
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