Social and political changes in the greater Labrang Monastery region of northeastern Tibet, in southern Gansu, eastern Qinghai, and northern Sichuan provinces are described. Particular focus is on the major events and phases of the lifetime of Jikmé Tsultrim Namgyalba (19181957) the fourth rebirth of the Belmang lineage, an important member of the Labrang community during a time of major change in regional history. Though this description is specific to only one of the regional communities, its changes were typical of others in the Tibetan northeast.