Church calendar for 20 August 1900

Saints commemorated

• Venerable Martyr Dometius the Persian, of Syria IV век — †363
• Venerable Anthony (Putilov) of Optina 1795–1865
• Right-Believing Empress Irene of Athens ок. 752–803
• Hierarch Mitrofan of Voronezh 1623 — 1703
• Venerable Or of Thebaid IV в.; † ок. 390 (прожил ок. 90 лет)