Sino-Tibetan relations during the Ming dynasty:

In 1358, the Sakya viceregal regime installed by the Mongols in Tibet was overthrown in a rebellion by the Phagmodru myriarch Tai Situ Changchub Gyaltsen (1302–1364). The Mongol Yuan court was forced to accept him as the new viceroy, and Changchub Gyaltsen and his successors, the Phagmodrupa Dynasty, gained de facto rule over Tibet.

Please answer a question about this article. If the question is unanswerable, say "unanswerable". Who placed the Sakya viceregal regime position of authority?
the Mongols in Tibet