Old Book of Tang: Several Tiele tribes sent envoys to Lingzhou asking that Taizong be honored as Khagan.; New Book of Tang: Several Tiele tribes at…
Several Tiele tribes sent envoys to Lingzhou asking that Taizong be honored as Khagan.
九月甲辰，鐵勒諸部落俟斤、頡利發等遣使相繼而至靈州者數千人，來貢方物，因請置吏，咸請至尊為可汗。
Location: 舊唐書 卷3 貞觀20年 9月
Several Tiele tribes at Lingzhou asked Emperor Taizong for the title of Khan.
甲辰，鐵勒諸部請上號為「可汗」
Location: 新唐書 卷002 太宗 貞觀20年9月
Place: 靈州
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