The discussion, devoted to the consideration of the papers of Alexander Filyushkin and Alexey Martyniuk, took part at the special section of the Petersburg Historical Forum. The participants are from Russia, Austria, Slovakia, Estonia, Germany etc. Participants in the discussion highlighted the problematic points in the study of the history of the Eastern European region: the difficulty of defining the geographical and chronological framework, the problems of an established terminology, the break in the historiographic tradition, the need to search for new methodological tools and, at the same time, to verify the correctness of its application. Arguments were expressed both “for” and “against” the proposed thesis of Alexey Martyniuk a...