"The Great Soviet Encyclopedia" is a unique publication that has become a real treasure trove of knowledge about the world for generations of Soviet citizens. It was unparalleled in scope and included information from various fields of knowledge: from history and geography to science, technology and art. The publication consisted of thousands of articles, illustrations, diagrams and tables that helped to better understand the world around us. The "Great Soviet Encyclopedia" became an integral part of the libraries of every Soviet family and remains an important source of knowledge and source of research to this day.