The "Great Soviet Encyclopedia" is one of the most famous encyclopedic publications of the last century, which became a real treasure trove of knowledge for millions of people throughout the USSR. "BRE" still impresses with its scale and variety of topics to this day: it has more than 100 volumes, in which the letters from "A" to "Z" are collected. This edition covers various fields of knowledge: from history and culture to science and technology, from geography to philosophy. Each article in this encyclopedia is a detailed and well-structured treatment of the topic it is devoted to. Thanks to the "Great Soviet Encyclopedia", readers had the opportunity to gain access to well-founded information, carefully selected facts and information from the most diverse fields of science and culture. This publication became a real symbol and its leading idea was to give people access to knowledge and develop cultural ambitions. "Great Soviet Encyclopedia" remains an important source of information from the past, an important textbook for studying information and history.