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 ... 303); Martyr Galactia; Martyr Julian; Martyr Theodotus of Ancyra, and with him eight virgin-martyrs: Alexandra, Tecusa, Claudia, Phaine (Thaïna), ...
All events for Julian the Martyr – Greek Orthodox Christian Society
https://www.lychnos.org/calendar/julian-the-martyr/all/
May 18, 2016 ... Martyr Galactia ... May 18. Saints and Feasts: Julian the Martyr. Holy Martyrs Peter, Dionysius, Andrew, Paul and Christina of Lampsacus.