On January 13, 2023, the Head of the Department of History Serhii Dehtiarov took part in the live broadcast of Espreso TV in the regular program “NeIstfak”. The program was devoted to the topic “How the Cossack officers turned into nobility”. The discussion revolved around the transformation of social and official representatives of the former Cossack officers during the incorporation of Ukrainian territories into the Russian Empire. The significant influence of officials of Ukrainian origin on the effectiveness of the functioning of the imperial bureaucratic apparatus of the late 18th – early 19th centuries was noted.