Kalmyk deportations of 1943 originally nomadic shepherds of Dzungaria. They speak a West Mongolian language, an Altaic language. They practice Lamaism, a form of Buddhism practiced also in Tibet. In the 1630s, several Oirat tribes migrated westwards and settled along the Volga river. They were consolidated into a new ethnic group, the Kalmyks. While a part of their group went back to Dzungaria, others stayed and recognized the authority of the Russian Empire by the 18th century. During the Russian Civil War, a majority of Kalmyks actively participated in anti-communist Russian armies. When the Bolsheviks ultimately took power, numerous anti-communist people emigrated from Russia
Buddhism is also Mahayana in origin, but is discussed below under the heading of Vajrayana (also commonly referred to as "Northern Buddhism"). There are a variety of strands in Eastern Buddhism, of which "the Pure Land school of Mahayana is the most widely practised today.". In most of this area however, they are fused into a single unified form of Buddhism. In Japan in particular, they form separate denominations with the five major ones being: Nichiren, peculiar to Japan; Pure Land; Shingon, a form of Vajrayana; Tendai, and Zen. In Korea, nearly all Buddhists belong to the Chogye school, which is