9Jul2021 "On the Wall of Agia Triada (Holy Trinity) 1821: memories, tears, dances". Agia Triada Wall of Megara. Saturday, July 24, 2021 at 8.30 pm (The use of a mask is mandatory) Organizing an anniversary event in the framework of the actions for the celebration of the 200th anniversary of the Greek Revolution by the Ephorate of Antiquities of West Attica, in collaboration with the Attica Region