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Cession of the Sixteen Prefectures of Yan and Yun

Type Event Region China Time 936–938

In 936 CE, Shi Jingtang ceded the Sixteen Prefectures of Yan and Yun in exchange for Khitan military aid, surrendering strategic territory in present…

Timeline

  1. 936Taiyuan · ShanxiWhen Shi Jingtang rebelled against Tang at Taiyuan, he sent envoys to Yelü Deguang to submit as a vassal and promised to cede the Sixteen Prefectures of Yan and Yun in exchange for Khitan military assistance.
  2. 937–938Youzhou · BeijingAfter the Later Jin was established, Shi Jingtang ceded You, Ji, Ying, Mo, Zhuo, Tan, Shun, Ru, Xin, Gui, Wu, Yun, Shuo, Huan, Wei, and Ying prefectures to Liao as agreed, giving Liao the strategic barrier along the Yanshan Great Wall.
  3. 938Nanjing (Youzhou) · BeijingLiao established Nanjing Xijin Prefecture governing Youzhou, strengthening its rule over the Han Chinese lands of Yan and Yun. The Central Plains dynasties lost their natural northern defense line, and recovering Yan and Yun became a long-term political goal.

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