31 August 1917, Friday (18.08 according to the old style)
Church calendar for 31 August 1917
Saints commemorated
- Martyr Florus of Illyria (Florus and Laurus) II век
- Martyr Hermes, Serapion and Polienus of Rome II век
- Martyr Laurus of Illyricum † II век
- Martyr Martyr Polyaenus (Polienus) of Rome II в.
- Venerable Venerable John (Ivan) of Rila ок. 876/880–946