Sino-Tibetan relations during the Ming dynasty 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.
What year was the Sakya viceregal regime eradicated?  Who eradicated the Sakya viceregal regime? 
1358 the Phagmodru myriarch Tai Situ Changchub Gyaltsen
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). 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 Sakya viceregal regime