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Jin Emergency Defense Mobilization (1211)

Type Event Region East Asia Time 1211

After the Mongol army moved south in 1211, the Jin hastily organized northern defenses, but suffered a catastrophic loss of its main force at the Yeh…

Timeline

  1. 1211Jin Zhongdu · North ChinaNews of the Mongol army crossing the border southward reached Zhongdu, shocking the Jin court. The government urgently appointed Chancellor Dugu Sizhong as commander to lead troops to the northwestern frontier, and ordered reinforcements garrisoned along sections of the Great Wall to try to halt the Mongol advance.
  2. 1211Wusha Fort · North ChinaDugu Sizhong led his forces to the Wusha Fort line, hastily building fortifications and garrisoning Wuyue Camp, but the works were unsound and morale unstable. The Jin dispersed its forces along various Great Wall sections, failing to concentrate superiority and giving the Mongols the chance to defeat them piecemeal.
  3. 1211Yehuling–Kuaihe Fort · North ChinaAfter Dugu Sizhong fell in battle, the Jin court appointed Wanyan Chengyu to direct military affairs, gathering a force claimed to number hundreds of thousands to defend Yehuling. But Chengyu was timid and mishandled command, and Shimo Ming'an defected; the Jin main force was routed in succession at Yehuling and Kuaihe Fort, and the northern defensive line effectively ceased to exist.

Sources