28 July 1921, Thursday (15.07 according to the old style)
St Vladimir. Baptism of Rus
Saints commemorated
- Equal-to-the-Apostles, Grand Prince Vladimir, Equal-to-the-Apostles, Grand Prince of Kiev, in Baptism Basil ок. 958 — †15 июля 1015
- Martyr Avudimus of Tenedos † нач. IV века
- Martyr Cyricus of Tarsus † ок. 304–305 (в возрасте 3 лет)
- Equal-to-the-Apostles Holy Equal-to-the-Apostles Great Prince Vladimir of Kiev ок. 958/960 — 1015
- Martyr Julitta of Tarsus (Iconium) † ок. 305