On April 20, 2018, as part of the International Scientific Conference "Genocides, Mass Murders and Deportations on Ukrainian Lands During The World War II: How To Work With Sources", the head of the department of historiography, source studies, and archeology, prof.S.I.Posokhov and prof.S.M. Kudelko, together with the participants of the conference John-Paul Himka and Jan Grabovsky, visited the Memorial Complex "Drobytsky Yar".