The monograph provides a source study and historiographic analysis of the largest monument of Tibetan historical literature, written in 1748 by the Mongolian scientist Sumba-Hambo (1704-1788). Such issues as the history of the study of the monument, its compositional structure, textology, chronology, historiography on the history of states and religions in India, Tibet, China and Mongolia from ancient times to the 40s are considered. XVIII century