Tibet, Patricia Levy, Don Bosco, pp. 20, Marshall Cavendish, 2006, ISBN 9780761420767, ... By 648, Songsten had invaded northern India and was continuing to expand his empire, threatening China's western border. Rather than oppose him, his neighbors chose to form alliances through marriage ...
Tibet, Patricia Levy, Don Bosco, pp. 23, Marshall Cavendish, 2006, ISBN 9780761420767, ... After six years of persecution, a Buddhist monk in hiding traveled to Lhasa in disguise and shot Langdarma in the heart with an arrow. The monk escaped, but his action brought about the eventual collapse of the Tibetan empire ...
Buddhism in Contemporary Tibet: Religious Revival and Cultural Identity, pp. 54, University of California Press, 1998, ISBN 9780520211315, ... The great Tibetan empire (seventh to ninth century), which created Buddhism as a national religion, began to disintegrate in the mid-ninth century when the emperor Langdarma (817-42) instituted a persecution of institutional Buddhism ...
