- In 755 Tride Tsuktsän was killed by the ministers Lang and ‘Bal. Then Tagdra Lukong (Stag-sgra Klu-khong) presented evidence to prince Song Detsän (Srong-lde-brtsan) that they were disloyal and causing dissension in the country, and were about to injure him also. Subsequently, Lang and ‘Bal really did revolt. They were killed by the army and their property was confiscated."
- In 756 prince Song Detsän was crowned Emperor with the name Trisong Detsän (Khri sron lde brtsan) and took control of the government when he attained his majority at 13 years of age (14 by Western reckoning) after a one-year interregnum during which there was no emperor.