Feb. 19 - Eastern Orthodox Church calendar - Feb. 21
All fixed commemorations below are observed on March 5 (March 4 on leap years) by Orthodox Churches on the Old Calendar.
For February 20th, Orthodox Churches on the Old Calendar commemorate the Saints listed on February 7.
Hieromartyr Eleutherius of Byzantium, Bishop in Byzantium (136)
Martyrs Didymos, Nemesios and Potamios, in Cyprus.
Saint Eutropius, martyr (308)
Hieromartyr Sadoc of Persia (Sadoth), Bishop of Persia, and 128 Martyrs with him (330)
Saint Anianus (Aninas).
Saint Bessarion the Great, Wonderworker of Egypt (466) (see also: June 6)
Saint Agatho of Rome, Pope of Rome (682)
Saint Mildrith, Anglo-Saxon abbess of the Abbey at Minster-in-Thanet, Kent (c. 700) (see also: July 13)
Saint Leo of Catania (Leo the Wonderworker), Bishop of Catania in Sicily (785)
Venerable Cindeus of Pisidia (Kindeos), Bishop of Pisidia.
Venerable Plotinus, monk.
Saint Bolcan (Olcan), baptised by St Patrick, Bolcan later became Bishop of Derkan in Ireland (c. 480)
Saint Valerius (Valier), first Bishop of Couserans in France (5th century?)
Saint Falco of Maastricht, Bishop of Maastricht in the Netherlands (512)
Saint Eleutherius of Tournai, Bishop of Tournai (531)
Saint Eucherius of Orléans, Bishop of Orleans (c. 740)
Saint Colgan, called 'the Wise' and 'the Chief Scribe of the Irish' , he was Abbot of Clonmacnoise in Offaly in Ireland (c. 796)
Saint Yaroslav the Wise, son of the Varangian (Viking) Grand Prince Vladimir the Great (1054)
Saint Agatho, Wonderworker of the Kiev Caves Monastery (13th-14th centuries)
Martyrdom of St. Cornelius, abbot of the Pskov-Caves Monastery, by beheading, and his disciple St. Bassian of Murom (1570)
Venerable Martyrs 34 monks and novices of Valaam Monastery, martyred by the Lutherans (1578):
Hieromonk Titus,
Schemamonk Tikhon,
Monks Gelasius, Sergius, Varlaam, Sabbas, Conon, Sylvester, Cyprian, Pimen, John, Samonas, Jonah, David, Cornelius, Niphon, Athanasius, Serapion, and Varlaam; and
Novices Athanasius, Anthony, Luke, Leontius, Thomas, Dionysius, Philip, Ignatius, Basil, Pachomius, Basil, Theophilus, John, Theodore, and John.
New martyrs and confessors
New Hieromartyr Nicholas Rozov, Priest (1938)
February 20 (Eastern Orthodox liturgics) Wikipedia (Text) CC BY-SA