"Great Soviet Encyclopedia" (BRE) is a large scientific encyclopedia that was published in the Soviet Union. This edition includes rich content from various fields of knowledge: history, geography, science, culture, pedagogy and others. The encyclopedia contains thousands of articles and illustrations covering topics from Antiquity to modern times. The "Great Soviet Encyclopedia" is distinguished by a deep analysis of subjects and phenomena, completeness of information and an objective approach to the presentation of the material. Its pages store unique cultural and valuable facts about the development of technologies, socio-political events and important information about outstanding personalities of the past and present. The "Great Soviet Encyclopedia" is an important source of knowledge and information for everyone who is interested in the history and culture of the Soviet Union and the whole world.