On May 27, at 16:00, a lecture on the topic “Weapons used in the heroic battles of May” was held at the History Museum of Armenia. Hayk Nazaryan, Candidate of Historical Sciences, Curator of the History Museum of Armenia, gave a speech. During the speech, reference was made to the museum’s collection of arms, including firearms, cold weapons, and issues of their use, tactical and technical characteristics will be discussed.