April 4 – Eastern Orthodox liturgical calendar – April 6 All fixed commemorations below are observed on April 18 by Eastern Orthodox Churches on the Old Calendar. For April 4th, Orthodox Churches on the Old Calendar commemorate the Saints listed on March 23. Saints Martyrs Claudius, Diodorus, Victor, Victorinus, Pappias, Serapion and Nicephorus, at Corinth (251 or 258) Martyrs Theodulus, Reader, and Agathopodes, Deacon, and those with them, at Thessaloniki (c. 303) (see also: April 4 - Greek) Martyrs Zenon, by fire, Maximus, Terentius and Pompeius, by the sword (250) (see also: October 28, March 13, April 10) Martyr Thermos (Fermus, Firmus), by fire. The Holy Noble Lady (sister of martyr Thermos/Fermus), and her Servant, martyrs, by the sword. Holy Five Young Virgin-Martyrs of Lesbos, by the sword. Virgin-martyr Theodora and Martyr Didymus the Soldier, of Alexandria (304) (see also: May 27) Venerable Martyr Ypomoni (Hypomoni, Evpomoni). Venerable Publius of Egypt, monk (4th century) (see also: April 4 - Greek) Saints Theonas, Symeon, and Phorbinus, of Egypt (4th century) (see also: April 4 - Greek) Venerable Mark the Anchorite of Athens (ca. 400) Venerable Plato the Confessor, Abbot of the Studion (813) (see also: April 4 - Greek) Venerable Theodora of Thessaloniki (886) Pre-Schism Western saints Holy Martyrs of North-West Africa, a large group martyred at the Easter liturgy by Genseric, the Arian King of the Vandals (459) Saint Bécán (Began), one of the 'Twelve Apostles of Ireland' (6th century) Venerable Derfel-Gadarn, a soldier and afterwards a hermit in Llanderfel in Gwynedd in Wales (6th century) (see also: April 6 - Greek) Saint Æthelburh of Kent (c. 647) Post-Schism Orthodox saints Saint Argyre the Neomartyr of Prussa (1721) New Martyr George of New Ephesus (1801) New Martyr Panagiotes of Jerusalem (1820) New martyrs and confessors New Hieromartyr Alexis Krotenkov, Priest (1930) New Hieromartyr Nicholas Simo, Archpriest, of Kronstadt (1931) Other commemorations Translation of the relics (1652) of St. Job, Patriarch of Moscow (1607) Martyrdom of the Optina monastics (Optina martyrs) on Pascha (1993): Hieromonk Vasily (Roslyakov); with Riassaphore-monks Therapontus (Pushkarev), and Trophimus (Tatarinov). Repose of Righteous Symeon Klimych (1837) Repose of Elder Philemon of Valaam and Jordanville (1953) Icon gallery Notes References Sources April 5 / April 18. Orthodox Calendar (pravoslavie.ru). April 18 / April 5. Holy Trinity Russian Orthodox Church (A parish of the Patriarchate of Moscow). April 5. OCA - The Lives of the Saints. The Autonomous Orthodox