sentences:  In 1603, the 4th Dalai Lama (1589–1616) stopped at Kumbum on his way from his native Mongolia to Ü-Tsang.At that time, he proclaimed the need for a study division to be built and for Düldzin Özer Gyatso to be appointed as the head of the entire monastery.At Kumbum's Monlam of 1612, Düldzin Özer Gyatso first ascended to the throne of abbot and opened a debate college ().