On April 10, in the reading hall of the Institute of Archaeology and Ethnography of the NAS RA, a lecture was held as part of the “Medieval Studies Discussions” seminar series. The lecture, entitled “Tatev Monastery: The Vow of St. Eustatius the Apostle,” was delivered by Dr. Arsen Harutyunyan, Head of the Department of Epigraphy. The event was attended by the Institute’s staff, students, and others interested in the topic. Following the presentation, a discussion took place, and attendees addressed questions to Dr. Arsen Harutyunyan.