May 21 (Eastern Orthodox liturgics)

May 20 - Eastern Orthodox Church calendar - May 22

All fixed commemorations below celebrated on June 3 by Orthodox Churches on the Old Calendar.

For May 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on May 8.

Saints

 * Holy Equals-to-the-Apostles Emperor Constantine (337), and Empress Helena, his mother (327)
 * Martyrs Polyeuctus, Victorinus, and Donatus, at Caesarea in Cappadocia.
 * Hieromartyr Secundus and those with him, in Alexandria (356)
 * Saint Adelphios, Bishop of Onouphis, in Byzantine Egypt (c. 362, or c. 431)


 * Saint Boros, monk.
 * Saint Christopher I, Patriarch of Antioch (967)

Pre-Schism Western saints

 * Hieromartyrs Timothy, Polius and Eutychius, deacons, in Mauretania Caesariensis (Morocco).
 * Hieromartyr Valens and Companions, Bishop who was martyred in Auxerre in France along with three children.
 * Martyr Secundinus, in Cordoba in Spain under Diocletian (c. 306)
 * Saint Hospitius the Hermit of Nice, Wonderworker (581)
 * Saint Barrfoin (Bairrfhionn, Barrindus) of Killbarron (6th century)
 * Saint Gollen (Collen, Colan) of Denbighshire, a saint who has given his name to Llangollen in Wales (7th century)
 * Saint Isberga (Itisberga) of Aire, reputed sister of Charlemagne, nun at Aire (Aria) in the Artois, of which she is the patroness (c. 800)
 * Saint Ageranus (Ayran, Ayrman) of Beze, a monk at Bèze in France, martyred by the Vikings (888)
 * Saint Theobald (Thibaud), Archbishop of Vienne (970-1001)

Post-Schism Orthodox saints

 * Blessed Constantine (Yaroslav), prince, and his children Michael and Theodore, Wonderworkers of Murom (1129)
 * Saint Cyril II (Kirill), Bishop of Rostov (1262)
 * Saint Basil of Ryazan, Bishop (1295)
 * Saint Helen of Decani, Serbia, Princess (c. 1350)
 * Venerable Cassian the Greek, monk of Uglich, Wonderworker (1504)
 * Saint Agapitus of Markushev (Vologda) the Hieromartyr, Abbot (1584)
 * Saint Constantine the Fool-for-Christ, of Novotorzanin, Russia (c. 16th century)
 * New Martyrs King Constantine Brancoveanu of Wallachia and his four sons Constantine, Stephen, Radu, and Matthew, and his counsellor Ianache (1714)
 * Martyr Pachomios of Patmos (1730)

New martyrs and confessors

 * Synaxis of Hieromartyrs of Karelia.
 * Synaxis of Hieromartyrs of Ufa.

Other commemorations

 * Uncovering of the relics (1998) of St. Andrew Ogorodnikov, fool-for-Christ of Simbirsk (1841)
 * Repose of Elena Pavlova of Chepel, Kharkiv (1885)
 * Repose of Elder Isaac of Dionysiou Monastery of Mount Athos (1932)
 * The Anastenaria fire-walking ritual is performed from May 21–23 in some villages in Northern Greece and Southern Bulgaria, coinciding with the feast of Constantine and Helen.
 * Synaxis of all saints of Karelia,

Icons

 * Synaxis of the "Vladimir" Icon of the Most Holy Theotokos (1521)
 * Synaxis of the "Virgin of Tenderness" Icon of the Most Holy Theotokos from Pskov-Pechersk (1524)