The siege of Bamyan (Dari: محاصره بامیان) took place in the spring of 1221 A.D. during the Mongol invasion of Khorasan by an army under the leadership of Genghis Khan, ruler of the Mongol Empire, who was in pursuit of Sultan Jalal al-Din Mangburni, the last ruler of the Khwarazmian Empire. Genghis Khan crossed the Hindu Kush and after that besieged the citadel of Shahr-e-Gholghola near Bamyan, northwest of Kabul, in present-day Afghanistan. The siege had led to a devastating attack that left the city in ruins.
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