About Sonam Drakpa

The Phagmodrupa dynasty or Pagmodru was a dynastic regime that held sway over Tibet or parts thereof from 1354 to the early 17th century. It was established by Tai Situ Changchub Gyaltsen of the Lang family at the end of the Yuan dynasty. The dynasty had a lasting importance on the history of Tibet; it created an autonomous kingdom after Mongol rule, revitalized the national culture, and brought about a new legislation that survived .