On 100-year anniversary of Valentin Mikhailovich Kovalchuk
European University in Saint Petersburg and Saint Petersburg Institute of History on June 15-16 carried out International conference “Topical questions of the history of the Leningrad blockade” timed to 100-year anniversary of well-known Russian historian Valentin Mikhailovich Kovalchuk. The exhibition of scientific works and personal documents of V.M. Kovalchuk was open during the conference sessions.