The Fortress That DESTROYED the Mongol Empire | Siege of Diaoyu 1259

The Siege of Diaoyu Fortress (1259) — the battle that killed Möngke Khan and shattered the Mongol Empire forever. In this video, we tell the full story of how a small Song Dynasty mountain fortress in modern-day Chongqing, China, held off the most powerful army the world had ever seen — and changed the course of history. In 1258, Möngke ...