April 25 - Eastern Orthodox liturgical calendar - April 27
Martyrdom of Pope Marcellinus.
Relics of Saint Richarius, kept in the abbey church of St. Riquier.
Saint Stephen of Perm.
Maximus Confessor
April 12 - Eastern Orthodox liturgical calendar - April 14
Saint Martin the Confessor (Menologion of Basil II)
Saint Hermenegild (Francisco Herrera, 1684)
Reliquary of St. Arsenios of Elassonna, in the Theotokos-Nativity Cathedral of the Kremlin.
Venerable Herman, Archimandrite, of Svyatogorsk Monastery.