April 18 (Eastern Orthodox liturgics) - Wikipedia
https://en.wikipedia.org/wiki/April_18_(Eastern_Orthodox_liturgics)
Apr. 17 - Eastern Orthodox Church calendar - Apr. 19. All fixed commemorations below are ... Bishop of Melitene (445) (see also: April 17); Saint Cosmas, Bishop of Chalcedon, and his fellow-ascetic St. Auxentius (815-820); Venerable John the Righteous (John the Hesychast) (820), disciple of St. Gregory of Decapolis.
Athanasia of Aegina - Topics - Revolvy
broom02.revolvy.com/main/index.php?s=Athanasia%20of%20Aegina&item...
The author is unknown but most likely a man who wrote soon after St. Athanasia's death. ... 550) (see also: April 11 - West) Venerable monk-martyrs David, John and Menas, of Palestine , shot by archers ... also: April 17 ) Saint Cosmas, Bishop of Chalcedon, and his fellow-ascetic St. Auxentius (815-820) Venerable John the ...