The information about the International Scientific Conference “The Phenomenon of the Multinational Soviet Union: History, heritage and social memory” held on October 14–15, 2022 is presented. The participants discussed a wide range of theoretical and methodological, historical, economic, philosophical, legal, cultural, linguistic problems of education, formation, disintegration of a single state and its consequences. The presented reports reflectthe unique historical experience of the formation and functioning of the Soviet Union as a state-civilization, which requires further reflection and study.