May 18 (Eastern Orthodox liturgics)

May 17—Eastern Orthodox Church calendar—May 19

All fixed commemorations below are celebrated on May 31 by Orthodox Churches on the Old Calendar.^{[note 1]}

For May 18th, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 5.

• Martyrs Peter of Lampsacus, Andrew, Paul, Dionysius, and Christina, at Euridinos, under Decius (c. 249 - 251)^{[1][2][note 2]}
• Martyrs Heraclius, Paulinus, and Benedimus of Athens (250)^{[1][2][3][note 3]}
• Martyr Euphrasia of Nicaea (c. 303)^[1][4]
• Martyr Galactia.^[5]
• Martyr Julian, by being dragged through thorns.^[6][7]
• Martyr Theodotus of Ancyra,^{[1][8][9][10]} and with him seven virgin-martyrs:

• Alexandra, Tecusa, Claudia, Phaine (Thaïna), Euphrasia, Matrona, and Julia (304)^{[1][8][11][12][note 4]} (see also: June 7 and November 6)

• Martyr Dioscorus, in Cynopolis of Egypt (305)^[8][13]
• Martyrs Symeon, Isaac, and Bachtisius of Persia (339)^{[1][note 5]}
• Hieromartyr Potamon (Palæmon), Bishop of Heraclea in Egypt,^{[note 6]} and Confessor (340)^{[1][8][14][15]}
• The holy clergy and lay martyrs massacred under Emperor Valens (364–378)^{[16][note 7]}
• Martyrs David and Tarechan, of Georgia (693)^[1][17]
• Patriarch Stephen the New of Constantinople (893)^[1][18]
• Saint Anastaso (Anastasia) of Leukadion (or Laucation), near the Bithinian sea-shore.^[1][19]
• Saint Martinian of Areovinthus (Areobindus, Areovinchus), monk of the church of the Theotokos of the Areovinthus quarter, Constantinople.^[1][7][20]
• Hosios Stephanos the Chorabyte^[21]

• Martyr Venantius of Camerino (250)^{[8][22][23][24]}
• Hieromartyr Felix, Bishop of Spoleto, in Umbria (304)^{[8][23][25][26]}
• Hieromartyr Pope John I of Rome (526)^[8][23]
• Hieromartyr Pope Theodore I of Rome, who was burned alive (649)^[1][7][27]
• Martyr Merililaun of Rheims (Merolilaun), a pilgrim murdered near Rheims and venerated as a martyr (8th century)^[23][28]
• Saint Feredarius (Feradach mac Cormaic), Abbot of Iona (c. 880)^[23]
• Saint Elgiva (Ælgifu), Widow of King Edmund, Abbess of Shaftesbury (944)^{[1][23][29][note 8]}

• Saint Macarius (Glukharev) of the Altai, Archimandrite (1847)^{[1][31][32][note 9]}
• Saint John Gashkevich, Archpriest of Korma (1917)^{[1][33][34][note 10]}

• New Hieromartyr Michael Vinogradov, priest (1932)^[35][36][37]
• New Hieromartyr Damian (Damjan) Strbac, Jr., priest of Grahovo, Serbia (1941)^{[1][note 11]}
• New Hieromartyr Basil Krylov, priest (1942)^[35][36][38]

• Commemoration of the Holy Fathers of the Seven Ecumenical Councils.^[1]
• Translation of the relics (1030) of Saint Mildred of Thanet (Mildthryth), Abbess of Minster-in-Thanet (8th century)^[39]
• Repose of Blessed Philip (Khorev), founder of the Gethsemane Caves Skete of St. Sergius Lavra (1869)^{[1][note 12]}

• Martyrs Heraclius, Paulinus, and Benedimus of Athens.
• Martyr Theodotus of Ancyra.
• Seal of "Stephen, Patriarch of Constantinople and New Rome"
  (i.e. either of Stephen I or II).
• St. Venantius of Camerino is hung upside-down over a fire, and then thrown to the lions.
• Pope John I.
• Pope Theodore I.
• St. John Gashkevich, Archpriest of Korma.
• New Hieromartyr Damian (Damjan) Strbac, Jr.
• St. Mildthryth.

• May 18/31. Orthodox Calendar (PRAVOSLAVIE.RU).
• May 31 / May 18. HOLY TRINITY RUSSIAN ORTHODOX CHURCH (A parish of the Patriarchate of Moscow).
• May 18. OCA - The Lives of the Saints.
• May 18. The Roman Martyrology.
• May 18. Latin Saints of the Orthodox Patriarchate of Rome.

Greek Sources

• Great Synaxaristes: (in Greek) 18 ΜΑΪΟΥ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ.
• (in Greek) Συναξαριστής. 18 Μαΐου. ECCLESIA.GR. (H ΕΚΚΛΗΣΙΑ ΤΗΣ ΕΛΛΑΔΟΣ).

Russian Sources

• (in Russian) 31 мая (18 мая). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).