saint eugenios or eugene was martyred under diocletian and a cult devoted to him developed in trebizond. his feast day is 21 january. eugenios along with the martyrs candidus, valerian and aquila was persecuted during the reign of diocletian (284-305) and maximian (305-311). the four hid in the mountains above trebizond, but were eventually found and brought before the regimental commander lycius. they were flogged, tortured with fire and eventually beheaded. eugenios is credited with the destruction of the image on the "gray hill" overlooking the city, later known as the mithratis.