"Great Soviet Encyclopedia" (VC) is a publication that has become a real treasure and a source of knowledge for millions of people in the former Soviet Union. It was published between 1926 and 1990 and included extensive articles on a wide variety of topics: from science and technology to history, culture, and geography. Each volume of the encyclopedia contained a large number of illustrations, diagrams and maps, which made knowledge more accessible and interesting for readers. The "Great Soviet Encyclopedia" was recognized as an authoritative source of information and left a mark in the history of culture and education of the former Soviet space.