Venerable Sergius and Herman, founders of the Valaam monastery on Lake Ladoga and enlighteners of Karelia.
Saints Sergius and Herman are honoured as the founders of the monastery of Valaam on an island in Lake Ladoga, from which the Christian faith spread among the Karelian peoples. Tradition places them in the fourteenth century, though some accounts make them earlier, and their relics rest at Valaam.
Feast day
On the New Calendar, Sergius and Herman of Valaam is commemorated on June 28. Churches on the Old (Julian) Calendar keep the feast on July 11 of the civil calendar.
Also commemorated on June 28

Sts. Cyrus & John the Unmercenaries
Saint, Κύρος και Ιωάννης
Translation of the relics of the Holy Unmercenaries Cyrus and John.
Paul the Physician of Corinth
Venerable, Παύλος ο Ιατρός
Venerable Paul the physician of Corinth, ascetic falsely accused and vindicated by a miracle.
Sergius the Magistros
Saint, Σέργιος ο Μάγιστρος
Righteous Sergius the Magistros of Paphlagonia, founder of a monastery of the Theotokos.
Seventy Martyrs of Scythopolis
Martyr, Εβδομήντα Μάρτυρες οι εν Σκυθοπόλει
Holy Seventy Martyrs who suffered for Christ at Scythopolis in Palestine.