17 May 1921, Tuesday (04.05 according to the old style)
Church calendar for 17 May 1921
Saints commemorated
- Hieromartyr Alvian of Anea † 304
- Venerable Nicephorus the Hesychast of Mount Athos XIII в. — ок. 1300
- Martyr Pelagia of Tarsus † ок. 287
- Hieromartyr Сильван Газский † 311