The expanded book-illustrative exposition "Only one Ukraine in the world", organized by the general library of KhNUIA and dedicated to the Day of Unity of Ukraine, has completed its work. During the week on the occasion of this historic event, the library hosted thematic events, which were attended by cadets of all faculties and students of the Institute of Postgraduate Education. It is this day of the unification of the Western Ukrainian People’s Republic and the Ukrainian People’s Republic that is celebrated as a holiday - the Day of Independence and Unity of Ukraine.