April 28 - Eastern Orthodox liturgical calendar - April 30
The Nine martyrs of Cyzicus.
The martyrdom of St. Vitalis of Milan, being buried alive.
St. Torpes of Pisa.
Monastery of St. Daniel (Gerona, Catalonia, Spain).
April 15 - Eastern Orthodox liturgical calendar - April 17
April 29 (Eastern Orthodox liturgics)
…celebrated on May 12 by Orthodox Churches on the Old Calendar. For April 29th, Orthodox Churches on the Old Calendar commemorate the Saints listed on April 16. Apostles Jason and Sosipater of the Seventy, and their companions, at Corfu (63): (see also April 28 - Slavic): Martyrs Saturninus, Jakischolus…
Virgin-martyrs Agape, Irene, and Chionia.
Maximus Confessor