Memorial Day of the Venerable Martyr Dometius the Persian
Celebrated on 20 AugustMemorial Day of the Venerable Martyr Dometius the Persian
Other holidays on 20 August
- World Laziness Day
- Music Box Day
- Cheburashka's birthday
- World Mosquito Day
- Russian Air Fleet Day
- Holidays of Belarus - Air Force Day
- Sports Day in Kazakhstan
- Catholic Feast of Saint Bernard of Clairvaux
- Virtual Worlds Day
- Estonia's Restoration of Independence Day (Taasiseseisvumispaev)
- Saint Stephen's Day in Hungary
- According to the folk calendar - Marina-Pimen
- Baha'i Holidays - Feast of the Nineteenth Day of the Month of Asma
- Memorial Day of St. Anthony of Optina
- Discovery of the relics of St. Mitrofan, the first Bishop of Voronezh