The Secret History of the Mongol Queens of Genghis Khan came to control the Silk Route and assisted his campaigns in China and Persia. The Mongol women proved adept at administrating their territory and fighting alongside men on foreign conquests. After the death of Genghis Khan in 1227, his successors quickly neglected Khan's legacy. His son, Ögedei, purged his female relatives in order to consolidate his power over the Borjigin clan; including allegedly arranging the assassination of Genghis Khan's daughter, Altalun, who was ruler of the Uyghur territory. Following Ögedei's death, khatuns (queens) briefly ruled the Mongol Empire. Most of these women were not Genghis Khan's daughters,
Kublai Khan Europeans and Central Asians – merchants, travelers, and missionaries of different orders – made their way to China. The presence of Mongol power allowed large numbers of Chinese, intent on warfare or trade, to travel to other parts of the Mongol Empire, all the way to Russia, Persia, and Mesopotamia. After Kublai Khan was proclaimed Khagan at his residence in Xanadu on May 5, 1260, he began to organize the country. Zhang Wenqian, a central government official, was sent by Kublai in 1260 to Daming where unrest had been reported in the local population. A friend of Zhang's, Guo Shoujing,