Mongol Empire his generals and other associates, and some Mongols who had previously been allies broke their allegiance. War ensued, and Temujin and the forces still loyal to him prevailed, defeating the remaining rival tribes between 1203 and 1205 and bringing them under his sway. In 1206, Temujin was crowned as the khagan of the "Yekhe Mongol Ulus" (Great Mongol State) at a kurultai (general assembly/council). It was there that he assumed the title of Genghis Khan (universal leader) instead of one of the old tribal titles such as Gur Khan or Tayang Khan, marking the start of the Mongol Empire. Genghis
Religion in the Mongol Empire interests of the next life. Thus he invited Sakya Pandita to his ordo. Prince Kötön was impressed and healed by Sakya Pandita's teachings and knowledge, and later became the first known Buddhist prince of the Mongol Empire. Kublai Khan, the founder of Yuan dynasty, also favored Buddhism. As early as the 1240s, he made contacts with a Chan Buddhist monk Haiyun, who became his Buddhist adviser. Kublai's second son, whom he later officially designated as his successor in the Yuan dynasty, was given a Chinese name "Zhenjin" (literally, "True Gold") by Haiyan. Khatun Chibi influenced Kublai to be converted to