"Great Soviet Encyclopedia" (КБ) is a huge masterpiece of Soviet encyclopedism, which became a source of knowledge for millions of readers. In its scope and volume, this encyclopedia is an extremely valuable document not only about the history and culture of the Soviet Union, but also about the general state of science, technology, art and many other fields of knowledge in the middle of the 20th century. Its more than 100,000 articles reveal the most important aspects of social life and are characterized by objectivity and scientific credibility. Any reader will find in this encyclopedia answers to their questions and deepen their knowledge on a wide variety of topics. The "Great Soviet Encyclopedia" (КБ) is not only a source of information, but also a kind of encyclopedia of the Soviet spirit and culture, which will forever remain a symbol of its time.