"Great Soviet Encyclopedia" is one of the largest publications of the former Soviet Union, which contained an invaluable amount of information from various fields of knowledge. In its pages, the encyclopedia covered almost all aspects of life, culture, science and technology. The publication included many articles, illustrations, tables and diagrams, making it a source of knowledge for millions of readers. The "Great Soviet Encyclopedia" became not only a reference book, but also a peculiar symbol of the ideology of those times, which helped shape the worldview of society. This book is an invaluable source of knowledge about the era of the Soviet state and a significant cultural achievement.