The scientific collection was prepared on the basis of reports and reports made within the framework of the round table of the same name "In memory of Academician of the Russian Academy of Sciences Yuri Stepanovich Kukushkin (1929-2019). Discussion issues of modern historical science," held on April 10, 2019 at the Faculty of History of Moscow State University named after MV Lomonosov. The round table was prepared and conducted by the staff of the Department of Russian History of the XX-XXI centuries.