How a Russian Invader Became the Khan of Mongolia — In 1911, after 300 long years under the rule of the Qing Dynasty of China, Mongolia declared itself independent under the leadership of Jebtsundamba Khutuktu, who was a Tibetan Buddhist monk. However, in 1920, China reoccupied Mongolia and dethroned Khutuktu from the seat of the Khan. In 1921, in the…