Church calendar for 21 August 1931

Saints commemorated

• Venerable Abraham of Rostov 2-я пол. XII века
• Venerable Gregory the Sinaite ("the Younger" epithet unconfirmed as a distinct saint) ок. 1268 — †1346
• Apostle Thaddaeus Of Edessa †ок. 44
• Venerable Herman of Solovki ? — 1479
• Hierarch Myron of Crete ок. III—IV вв.
• Venerable Savvaty of Solovki ? — 1435
• Venerable Venerable Gregory of Sinai ок. 1268–1346
• Venerable Zosimas of Solovki ? — 1478