"Big Soviet Encyclopedia" is an encyclopedic publication that has become a symbol of the cultural and scientific level of Soviet society. It was released in 1926 and became one of the largest collection projects of its time. The book contains thousands of articles from various fields of knowledge, including history, culture, science, technology, geography and much more. "Big Soviet Encyclopedia" was an important source of information for pupils, students, scientists and a wide range of readers. It not only reflected the spirit of the era, but also helped in learning about the world and broadening the outlook.