St. Theodore the Sabbaite, Bishop of Edessa.
St. Theodore was born in Edessa and became a monk at the Lavra of St. Savva in Palestine, where he was known for asceticism and learning. He was later consecrated Bishop of Edessa and labored to strengthen the Orthodox there.
He reposed in peace in the ninth century.
Feast day
On the New Calendar, Theodore of Edessa is commemorated on July 19. Churches on the Old (Julian) Calendar keep the feast on August 1 of the civil calendar.
Also commemorated on July 19

Finding of the Relics of Seraphim of Sarov
Saint, Σεραφείμ του Σάρωφ
Uncovering of the relics of Venerable Seraphim of Sarov, wonderworker.
Fathers of the Fourth Ecumenical Council
Saint, Πατέρες Δ' Οικουμενικής Συνόδου
Commemoration of the Holy Fathers of the Fourth Ecumenical Council at Chalcedon.