The totalitarian system that dominated during the Soviet period forcibly displaced manynationalities and ethnic groups from their historical homeland, causing great damage to their unity andintegrity, cultural and social development, pursuing a policy of ideological arbitrariness (dictatorship).Soviet leaders forcibly deported to the territory of Central Asia, accusing the Crimean people of activecooperation with the German invaders in order to strengthen the central political power. The CrimeanPeninsula was the main tourist center of the USSR and one of the regions of high political importance.This scientific article, written on this basis, presents historical data on the state of the population onthe Crimean Peninsula before the deportation, on the change of names of cities in Crimea, on how theprocess of forced displacement was carried out, based on archival data. The detrimental consequencesof the forced displacement of peoples to the territory of Kazakhstan and the impact on the nationalcomposition of the Kazakh people are analyzed. In the second half of the 20th century, attempts bythe peoples of Crimea to return to their homeland, the socio-economic situation of the population afterresettlement to the territory of Kazakhstan, and their contribution to the modern development of Kazakhstanisociety were considered.During the actual study of the article, archival data were used. Historical scientific methods of analysisand synthesis of scientific data, historical and comparative analysis, classification, systematization,etc. were also used.