Venerable
Saint Theodore, Prince of Ostrog († c. 1483)
In Russian: Прп. Феодора, кн. Острожского, Печерского (ок. 1438)
In Church Slavonic: Прпⷣбнагѡ ѳео́дѡра, кнѧ́зѧ ѻ҆́строжскагѡ, пече́рскагѡ (ок. 1438)
Feast days
2026
Old calendar
- (11 August on the Old calendar), repose
New calendar
- , repose
2027
Old calendar
- (11 August on the Old calendar), repose
New calendar
- , repose
Also commemorated on 24 August 2026
- Afterfeast of the Transfiguration of the Lord
- Holy Martyr Archdeacon Euplus of Catania († 304)
- Virginmartyr Susanna and those with her: Gaius the Pope of Rome, Gavinius the Presbyter, his brother and the father of Susanna, Maximus, Claudius, and his wife Prepedigna, and their sons Alexander and Cythius († 295-296)
- Venerable Martyrs Theodore and Basil of the Kiev Caves