Alchi Monastery topographic conditions, only two survived, one of them the esteemed scholar and translator Rinchen Zangpo who established Buddhist activity in the Ladakh region and other areas of India including Himachal Pradesh and Sikkim. During his sojourn there, he also went to the neighbouring countries of Nepal, Bhutan and Tibet. Zangpo became known by the epithet "Lohtsawa" or the "Great Translator"; he is credited with building 108 monasteries in the trans-Himalayan region in his quest to disseminate Buddhism. He institutionalized Buddhism in the region; these monasteries are considered the mainstay of Vajrayana of Tibetan Buddhism (also known as Lamaism). Zangpo engaged
History of Tibetan Buddhism Ming assisted Altan Khan (1507–1582), King of the Tümed Mongols, when he requested aid in propagating Lamaism. Within 50 years nearly all the Mongols had become Buddhists, including tens of thousands of monks, almost all followers of the Gelug school and loyal to the Dalai Lama. Since then Tibetan Buddhism has played a very important role among the Mongols. Tibetan Buddhism was the most important religion among the Mongols under Qing rule (1635–1912), as well as the state religion of the Kalmyk Khanate (1630–1771), the Dzungar Khanate (1634–1758) and the Khoshut Khanate (1642–1717). Tibetan Buddhism was also adored by the