"Great Soviet Encyclopedia" (UE) is an ambitious project of a team of scientists, writers, historians and intellectuals who created the largest encyclopedic work of Soviet history. With their broad knowledge and extensive scientific base, they have combined millions of facts, events and data from various fields of knowledge. "Big Soviet Encyclopedia" became a real source of information for every Soviet citizen and foreigner who wanted to get acquainted with the history, culture, science and technology of the Soviet Union. Each article in the encyclopedia was carefully substantiated and reflected the official ideology of socialism. "Great Soviet Encyclopedia" (UE) is not only a source of knowledge, but also a kind of symbol of intellectual development and ambitious scientific research during the Soviet era.