New Martyrs King Constantine Brancoveanu of Wallachia and his four sons Constantine, Stephen, Radu, and Matthew, and his counsellor Ianache (1714)[22][note 8]
King Constantin Brâncoveanu of Wallachia, and his sons (Church mural in Hurezi Monastery).
“Vladimir” Icon of the Most Holy Theotokos.
Mosaic icon of the Virgin of Tenderness, with the eponym "Episkepisis"("The Visitation"). From Triglia in Asia Minor, Church of Saint Basil (late 13th century)
Notes
^The notation Old Style or (OS) is sometimes used to indicate a date in the Julian Calendar (which is used by churches on the "Old Calendar"). The notation New Style or (NS), indicates a date in the Revised Julian calendar (which is used by churches on the "New Calendar").
^These royal saints are invoked at Crownings (Wedding ceremonies) and are otherwise very popular saints in Ukraine, especially in connection to the Finding of the True Cross. St Olga of Kiev took the name “Helen” or “Olena” as her baptismal name after St Helen.[4]
^Onouphis: also Onouphitai, Mehallet Menuf, Mahallat Minuf. The date for this Saint corresponds to either c. 362 (Adelphios I); or c. 431 (Adelphios II). See:
K. A. Worp. "A Checklist of Bishops in Byzantine Egypt (A.D. 325 - c. 750)".Zeitschrift für Papyrologie und Epigraphik, Bd. 100 (1994), pp.283-318. Page 303.
^His memory is recalled in the "Jerusalemitic Canonarion", in conjunction with Isidore and Theodore.
^By tradition he was in charge of the church founded by St Columba in Drum Cullen in Offaly, Ireland and later he lived in Killbarron near Ballyshannon in Donegal. It is said that he reached America on one of his missions by sea and informed St Brendan the Navigator of his discovery. He is also said to have been a bishop.[11]
^St Constantine is mentioned by Archbishop Dmitri Sambikin (1905-1908), in the Menologion and Paterikon of Tver.
^Commemorated on August 16 in the Slavonic Menaion. (May 21 may refer to the Translation of his relics, in 1720.)
^"According to local legend, the Anastenariafire-walking tradition began when a fire broke out in the Church of Constantine and Helen in the village of Kosti in Thrace. The villagers defied the danger and entered the blazing church to save the icons, emerging unscathed. The miracle is now celebrated each year when the ‘Anastenarides’ walk barefoot on burning coals."[25]
^The Celebration of the Vladimir Icon of the Mother of God was established in memory of the saving of Moscow in the year 1521 from an invasion of Tatars led by Khan Makhmet-Girei. It is commemorated on May 21, as well as June 23 and August 26.
(in Greek) Συναξαριστής. 21 Μαΐου. ECCLESIA.GR. (H ΕΚΚΛΗΣΙΑ ΤΗΣ ΕΛΛΑΔΟΣ).
Russian Sources
(in Russian)3 июня (21 мая). Православная Энциклопедия под редакцией Патриарха Московского и всея Руси Кирилла (электронная версия). (Orthodox Encyclopedia - Pravenc.ru).