The article discusses the problem of Kalmyk people`s deportation. In Soviet historiographies this subject was a little studied. The Soviet authorities didn’t allow extensive discussion on this problem. The reasons of the collaboration in the Great Patriotic War period weren’t studied also. After 1991 many researches on this problem began printed, many of its has provocative character. Authors didn’t study the collaboration reasons, they both condemned or supported its. It results its come to interethnic intensity and the international conflicts. The author considers that the reasons of the collaboration were political, social-economic, national and religions factors. In spite of the Soviet authorities adopted a unreasoned policy, many of the Kalmyk people gave his life as a sacrifice for his country.
