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Battle of Köse Dağ

Type Event Region Anatolia Time 1243

On 26 June 1243, the Mongol general Baju defeated Sultan Kaykhusraw II of Rum at Köse Dağ (Mount Köse) in eastern Anatolia;…

Timeline

  1. 1242–1243Konya · KonyaAfter Ögedei's death, Kaykhusraw II refused Baju's demands to come in person to the Mongols, hand over hostages, and accept a darughachi. Baju declared war on Rum, and the sultan marched east from Konya to the Köse Dağ area to meet him.
  2. 1243Köse Dağ (Mount Köse) · SivasThe Mongols waited at Köse Dağ for the Rum coalition. After a skirmish in which the sultan's side suffered heavier losses, Kaykhusraw II withdrew at night. Baju pursued, receiving the submissions of Erzincan, Sivas, and other places along the way.
  3. 1243Sivas and Kayseri · AnatoliaThe sultan fled to Konya and then Antalya, sent envoys to negotiate peace, and agreed to pay tribute. The Sultanate of Rum thereafter operated under Mongol overlordship with greatly reduced central authority, marking the beginning of Anatolia's fragmentation in the 1240s.

Sources