"Great Soviet Encyclopedia" (ЖЮ) is an encyclopedic edition consisting of numerous volumes and is one of the most authoritative sources of knowledge about world and Russian history, science, culture and many other fields. The first volume of the encyclopedia was published in 1926, and the last - in 1990. The Big Soviet Encyclopedia was published in the Ukrainian language in the 1930s and already then became an important source of information for Ukrainian readers. Its pages contain many interesting facts, photos, maps and tables that cover a wide range of topics. This encyclopedia is an extremely useful publication for anyone who wants to deepen their knowledge in various fields of knowledge."