"Great Soviet Encyclopedia" is one of the most outstanding publications of the last century, which became a real treasure of knowledge for generations of Soviet citizens. It was published in 65 volumes, which includes a huge amount of information from various fields of knowledge - from history and geography to science and culture. The authors of the articles are scientists, scientists, and writers who worked on creating the encyclopedia for many years. The publication is endowed with deep content and an accessible approach to the presentation of the material. "The Great Soviet Encyclopedia" is not just a reference book, but a real example of deep scientific work, which has become an integral part of the cultural heritage of the last century.