July 10 - Eastern Orthodox Church calendar - July 12
Great-martyr Euphemia the All-praised, of Chalcedon.
Blessed Equal-to-the-Apostles Olga, Princess of Russia, named Helen in holy baptism.
St. Benedict of Nursia.
Hieromartyr Hilarion (Troitsky), Archbishop of Verey.
March 13 - Eastern Orthodox liturgical calendar - March 15
July 11 (Eastern Orthodox liturgics)
…Essex (1993) (see also: June 28) Translation of the relics of Venerable Benedict of Nursia, writer of the Rule of Saint Benedict (c. 547) (see also: March 14 ) Transfer of the Relics of Great-martyr Barbara to Kiev, by Barbara of Byzantium (d. 1125), third wife of Sviatopolk II of Kiev…
Saint Matilda.
Metropolitans of Kiev and all Rus': Photius, Theognostus (center), and Cyprian.
Theotokos of St. Theodore, original icon from Epiphany Monastery in Kostroma.