The "Greater Soviet Encyclopedia" is one of the largest publications of the 20th century, comprising more than 100 volumes. This is a unique guide to various fields of knowledge: history, culture, science, technology and many others. Each volume of the encyclopedia is a huge repository of invaluable knowledge that has become an integral part of cultural heritage. The "Greater Soviet Encyclopedia" has become a must for a wide range of readers, because it not only emphasizes important events in history, but also reveals the essence of the world around us.