Terken Khatun was the Empress of the Khwarazmian Empire by marriage to Shah Ala al-Din Tekish, and the mother and de facto co-ruler of Muhammad II of the Khwarazmian Empire. After marrying Ala al-Din

The siege of Bukhara took place in February 1220, during the Mongol invasion of the Khwarazmian Empire. Genghis Khan, ruler of the Mongol Empire, had launched a multi-pronged assault on the Khwarazmia