"The Great Soviet Encyclopedia (BR)" is a publication that has become a real treasure of knowledge for generations of Soviet citizens. Founded in 1926, this encyclopedia contained information from various fields of knowledge: history, science, technology, culture, art, and much more. "BR" became an integral part of the libraries of every Soviet family, helping to acquire comprehensive knowledge in various spheres of life. In addition, the edition was noted for its selected illustrative part, which made the information more accessible and understandable. "The Great Soviet Encyclopedia" became a true symbol of awareness and general development for generations of the Soviet people.