The article deals with the process of organization and development of the study of the history of the Grand Duchy of Lithuania in the Soviet Union. The author considers the fate of pre-revolutionary historians, experts in Lithuanian history, who were forced to either emigrate or change the field of research. The article presents the analysis of the first works of Soviet scholars concerning the Lithuanian Middle Ages. It also examines the contribution of Vladimir I. Picheta and Vladimir T. Pashuto to the organization of Soviet Lithuanistics.
