June 21 (Eastern Orthodox liturgics)
- Eastern Orthodox Church calendar - June 22
All fixed commemorations below celebrated on July 4 by Orthodox Churches on the Old Calendar.
For June 21st, Orthodox Churches on the Old Calendar commemorate the Saints listed on June 8.Saints
- Hieromartyr Tertius of Iconium, Apostle of the Seventy, Bishop of Iconium
- Martyr Julian and his wife Basilissa, and with them Martyrs Celsius, his mother Marcianilla, Anastasius, the priest Anthony, seven brothers, and twenty prison guards, of Antinoe in Egypt
- Martyr Julian of Tarsus in Cilicia
- Martyr Aphrodisius in Cilicia.
- Martyrs Kyriakos and Apollinarios, of Africa.
- Saints Julius of Novara, presbyter, and his brother Julian the Deacon
- Martyr Archil II, King of Georgia
Pre-Schism Western saints
- Saints Rufinus and Martia, martyrs in one of the early persecutions in Syracuse in Sicily.
- Saint Urciscenus, Seventh Bishop of Pavia in Italy c 183-216
- Saint Martin of Tongres, seventh Bishop of Tongres in Belgium, venerated as the Apostle of the Hesbaye region in Brabant
- Saint Demetria, a virgin-martyr in Rome, sister of St Bibiana and daughter of Sts Flavian and Dafrosa
- Saint Alban of Mainz, a Greek priest from Naxos, sent into exile by the Arians, he preached the Gospel in Germany around Mainz, then martyred by the Arians
- Saint Cormac Ua Liatháin, a disciple of St Columba and Abbot of Durrow Monastery, Ireland
- Saint Méen, a disciple of St Samson, whom he accompanied to Brittany, and founded the monastery of Saint-Méon
- Saint Agofredus, brother of St Leutfrid, and monk at Holy Cross, a monastery near Evreux in the north of France
- Saint Leutfrid, founder of the monastery La Croix-Saint-Ouen near Evreux in France, where he was abbot for nearly fifty years
- Saint Engelmund of Velsen, an English-born Benedictine missionary to Frisia
- Saint Dominic of Comacchio, a monk at Comacchio near Venice in Italy
- Saint Rodulf, Abbot, and Archbishop of Bourges, Gaul
- Saint Wolfrid, founder of the monastery of Hohentwiel in Germany
Post-Schism Orthodox saints
- Venerable Anastasia of Serbia, mother of St. Sava
- Martyr Theodore, right-believing prince of Starodub
- Martyr Luarsab II, King of Georgia
- New Martyr Nicetas of Nisyros, near Rhodes, at Chios
- New Hieromartyr John Budrin
- Venerable New Hieroconfessor George, Archimandrite, of Kaluga
- New Hieromartyr Jonah, Hieromonk, of Alpatievo, Moscow
- New Hieromartyrs Alexis Skvortsov, Paul Uspensky and Nicholas Rozanov, Priests
- New Martyr Nikita Sukharev
Other commemorations
- Uncovering of the relics of St. Maximus the Greek, of Russia
- Repose of Schemamonk John "the Muscovite," of Valaam
- Discovery of the Icon of Panagia Eleousa in Xyniada of Domokou
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