"Great Soviet Encyclopedia (YUN)" is a large-scale publication created by a team of authors and specialists of the Soviet era. This encyclopedia contains a huge amount of general knowledge and facts from various fields of science, culture, history, geography and many others. The publication "Great Soviet Encyclopedia (YUN)" aimed to provide the reader with information about all spheres of life, therefore it contains articles about prominent people, cultural phenomena, historical events, inventions, geographical objects and much more. The special value of the publication is provided by in-depth analytical materials, illustrations, diagrams and tables that help to better understand the material. The Great Soviet Encyclopedia (UN) has become a source of knowledge for many generations and remains an important publication for both scientists and a wide range of readers.