11 May 1931, Monday (28.04 according to the old style)
Church calendar for 11 May 1931
Saints commemorated
- Martyr Dada of Dorostolum (Ozovo) †286
- Apostle Jason I век
- Apostle Sopater I век
- Apostle of the Seventy Jason of Tarsus I век
- Hierarch Kirill Turovsky ок. 1130 — †ок. 1182
- Martyr Mammius of Corfu I–II века (по преданию)
- Apostle of the Seventy Sosipater of Iconium I в.
- Martyrs Vitalis and Valeria of Milan I век (по преданию)