"Big Soviet Encyclopedia" or "BV" is one of the most significant publications of the Soviet era, which became a real treasure of knowledge and information. In its many volumes, this encyclopedia covers various aspects of human knowledge, from history, geography and natural sciences to art, culture and technology. The publication includes thousands of articles about the most important events, figures and phenomena in the history of mankind. "Big Soviet Encyclopedia" is not only a source of knowledge, but also an important testimony of the times when it was published. Its pages reflect the political, social and cultural context in which the encyclopedia itself was created. Thanks to this publication, generations of readers had the opportunity to familiarize themselves with the world around them and deepen their knowledge. "Big Soviet Encyclopedia" is not only a collection of facts, but also an eternal testimony of intellectual heritage, which has remained in the minds and hearts of readers for many generations.