"Big Soviet Encyclopedia" is a unique publication that has become a cultural treasure of the Soviet era. Covering various aspects of knowledge and culture, this encyclopedia includes all areas of human life: from natural sciences to history, from art to geography. Thanks to its volume and detailed articles, it became an integral part of the libraries of every educated Soviet citizen. The "Great Soviet Encyclopedia" is not only a reference book, but also a kind of window into the world of knowledge, which leaves its unique mark in the history of the nation.