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
Mongol invasions of Tibet provinces. The Mongols granted the Sakya lama a degree political authority, but retained control over the administration and military of the region. As efforts to rule both territories while preserving Mongol identity, Kublai Khan prohibited Mongols from marrying Chinese, but left both the Chinese and Tibetan legal and administrative systems intact. Though most government institutions established by Kublai Khan in his court resembled the ones in earlier Chinese dynasties, Tibet never adopted the imperial examinations or Neo-Confucian policies. Buddhist monks from Tibet were popular and well respected in Mongol-ruled Iran (the Ilkhanate), Mongolia, China (the Yuan) and Central Asia (the