May 18 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/May_18_(Eastern_Orthodox_liturgics)
May 17—Eastern Orthodox Church calendar—May 19. All fixed commemorations below ... Martyr Dioscorus, in Cynopolis of Egypt (305); Martyrs Symeon, Isaac, and Bachtisius of Persia (339); Hieromartyr Potamon (Palæmon), Bishop of ...
May 31 - Orthodox Calendar. HOLY TRINITY RUSSIAN ORTHODOX ...
www.holytrinityorthodox.com/calendar/index.php?year=2015&today=31...
Martyrs Symeon, Isaac, and Bachtisius of Persia (339). Martyrs Heraclius, Paulinus, Benedimus of Athenas (250). Holy Martyrs Davit and Tarichan (693) ...