New martyr
New Martyr John Vlachos († 1662) (Romanian)
In Russian: Мч. Иоанна Валаха (1662) (Румын.)
In Church Slavonic: Ст҃а́гѡ мч҃ника і҆ѡа́нна Валаха (1662) (Румын.)
Feast days
2026
Old calendar
- (12 May on the Old calendar), repose
New calendar
- , repose
2027
Old calendar
- (12 May on the Old calendar), repose
New calendar
- , repose
Also commemorated on 25 May 2026
- St. Epiphanius the Bishop of Cyprus († 403)
- Saint Germanus, Patriarch of Constantinople († 740)
- Glorification (1913) of Hieromartyr Hermogenes, Patriarch of Moscow and All Russia
- New Hieromartyr Priest Peter († 1937)
- Venerable Dionysius the Archimandrite of St Sergius Monastery († 1633)
- The second finding (1992) of relics of Righteous Simeon of Verkhoturye († 1642)
- St. Sabinus, Archbishop of Cyprus (5th C)
- St. Polybius, Bishop of Rhynokyra (5th C)