April 15 - Eastern Orthodox liturgical calendar - April 17 All fixed commemorations below are observed on April 29 by Eastern Orthodox Churches on the Old Calendar. For April 16th, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 3. Saints Martyrs Leonidas of Nea Epidavros, and those with him (250 or 258): Charissa, Nika (Niki), Galina, Callista (Calisa, Calida), Nunechia, Basilissa, Theodora, and Irene, of Corinth. Hieromartyrs Felix, Bishop of Spoleto, and Januarius, Presbyter, and Martyrs Septeminus and Fortunatus, of Lycaonia (294 or 304) (see also: August 30) Virgin-martyrs Agape, Irene, and Chionia of Aquileia, in Thessaloniki (304) (see also: April 3) Saints Agatho, Eutychia, Cassia and Phillippa, the Confessors, in Thessaloniki, by imprisonment (304) Pre-Schism Western saints Virgin-martyr Encratia (Encratis, Encratide, Engracia), who suffered terribly for her faith in Saragossa in Spain (c. 304) The Eighteen Martyrs of Saragossa (c. 304): (see also: November 3) Optatus, Lupercus, Successus, Martial, Urban, Julia, Quintilian, Publius, Fronto, Felix, Caecilian, Eventius, Primitivus, Apodemius and four named Saturninus. Saint Turibius of Astorga, Bishop of Astorga in Spain and a valiant defender of Orthodoxy (c. 460) Saint Vasius (Vaise, Vaize), a rich citizen of Saintes in France, murdered by his relatives for giving his property to the poor (c. 500) Saint Turibius of Palencia, founder of the monastery of Liébana in Asturias in Spain (c. 528) Saint Paternus (Pair), Bishop of Avranches (c. 574 or 563) (see also: April 15) Saint Fructuosus of Braga in Iberia (665) Saint Lambert of Saragossa, a servant who was martyred near Saragossa by his Saracen master (c. 900) Saint Herveus of Tours (Hervé), monk at the monastery of St Martin of Tours, and hermit (1021) Saint Elias, Monk and Abbot in Ireland and Germany (1042) Post-Schism Orthodox saints Saint Theodora-Bassa, princess of Novgorod (1378) Saint John, Fool-for-Christ, of Verkhoturye (1701) New Martyr Michael Burliotes of Smyrna, by beheading (1772) New Monk-martyr Christopher of Dionysiou, Mt. Athos, at Adrianople (1818) New martyrs Christodoulos and Anastasia, in Achaia (1821) Saint Ambrose (Khelaia) the Confessor, Catholicos-Patriarch of All Georgia (1927) (see also: March 16 and March 27) Venerable Amphilochios (Makris), Elder, of Patmos (1970) (see also: April 3 - os) Other commemorations Synaxis of the Weeping Icon of the Most Holy Theotokos "Ilyin Chernigov" (1658) (see also: September 1) Synaxis of the Icon of the Mother of God of Tambov (1692) Synaxis of All Saints of Euboea. Icon