The Dongyi Protectorate (Chinese: 東夷都護府; lit.
In 648, Emperor Taizong of Tang established the Jiaole Area Command and appointed the Xi chief Kotuche (可度者) as its military governor.
[2] In 648, Taizong created the Songmo Area Command and "diplomatically" appointed Kuko (窟哥), chieftain of the Khitans as its Military Governor.
[3] In reality, the Tang court had lost actual control of the area.
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