Ioannina, at Constantinople (1526) Venerable new martyr John (Koulikas) (1564) (see also: April 8) Martyr Tunom, Arab Emir who confessed Christ on seeing the Holy Fire in Jerusalem (1579) Hieromartyr Cyril VI of Constantinople, Ecumenical Patriarch of Constantinople (1821) New martyrs and confessors New Hieromartyr Bessarion Selinin, Priest (1918) New Hieromartyr Alexis Krontenkov, Priest, of Ekaterinburg (1930) New Hieromartyrs Nicholas (1937) and Basil Derzhavin (1930), Priests, and martyred lay people of the city of Gorodets, Nizhni-Novgorod. New Martyr Tamara (Satsi), Abbess, of Cheboksara (Chuvashia) (1942) Other commemorations Icon of the Most Holy Theotokos "Glykophilousa" ("Sweet-kissing"). (see also: March 27) Icon of the Mother of God of St Maximus (Maximovsk Icon) (1299) Icon gallery Notes References Sources April 18 / May 1. Orthodox Calendar (PRAVOSLAVIE.RU). May 1 / April 18. HOLY TRINITY RUSSIAN ORTHODOX CHURCH (A parish of the Patriarchate of Moscow). April 18. OCA - The Lives of the Saints. The Autonomous Orthodox Metropolia of Western Europe and the Americas (ROCOR). St. Hilarion Calendar of Saints for the year of our Lord 2004. St. Hilarion Press (Austin, TX). p. 29. April 18. Latin Saints of the Orthodox Patriarchate of Rome. The Roman Martyrology. Transl. by the Archbishop of Baltimore. Last Edition, According to the Copy Printed at Rome in 1914. Revised Edition, with the Imprimatur of His Eminence Cardinal Gibbons. Baltimore: John Murphy Company, 1916. pp. 108–109. Rev. Richard Stanton. A Menology of England and Wales, or, Brief Memorials of the Ancient British and English Saints Arranged According to the Calendar, Together with the Martyrs of the 16th and 17th Centuries. London: Burns & Oates, 1892. p. 164. Greek Sources Great Synaxaristes: 18 ΑΠΡΙΛΙΟΥ. ΜΕΓΑΣ ΣΥΝΑΞΑΡΙΣΤΗΣ. Συναξαριστής. 18 Απριλίου. ECCLESIA.GR. (H ΕΚΚΛΗΣΙΑ ΤΗΣ ΕΛΛΑΔΟΣ). Russian Sources 1 мая (18 апреля). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru). 18 апреля (ст.ст.) 1 мая 2013 (нов. ст.). Русская Православная Церковь Отдел внешних церковных связей. (DECR). April in the Eastern Orthodox calendar