August 20 (Eastern Orthodox liturgics)
Aug. 19 – Eastern Orthodox Church calendar – Aug. 21
All fixed commemorations below are observed on September 2 by Orthodox Churches on the Old Calendar.
For August 20, Orthodox Churches on the Old Calendar commemorate the Saints listed on August 7.
Martyr Oswine of Deira, King of Deira and Passion Bearer.
St. Stephen I of Hungary, King of Hungary.
Venerable Abramius of Smolensk.
New Martyr Theocharis of Neapolis, Cappadocia.
Hieromonk Seraphim Rose of Platina, California.
Greek Sources
Russian Sources
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Wikipedia