On 21 April 2026, within the framework of the inter-faculty scientific seminar “The History of Ukraine is Fascinating!”, Yevhen Osadchyi, Candidate of Historical Sciences and Assistant at the Department of History of Sumy State University, delivered a presentation entitled “The Archaeology of Ukraine During the Cossack Era: Saltpetre Production Sites”. The event garnered significant interest among both the academic staff and the student body of the university.
