"Big Soviet Encyclopedia" is a unique publication that played an important role in shaping the worldview and spreading knowledge in Soviet society. Created by a team of outstanding scientists and encyclopedists, this encyclopedia combines in-depth scientific articles from various fields of knowledge: history, culture, natural science, social science and much more. "Great Soviet Encyclopedia" contains an incredible number of illustrations, diagrams, maps and photographs, which allows readers to better understand the presented materials. The publication, issued in 65 volumes, reflects the state of society and science at the beginning of the second half of the 20th century. The "Great Soviet Encyclopedia" is an important document of cultural heritage that reflects the spirit and scientific achievements of the Soviet era.