St. Gregory Kallidis, Metropolitan of Heraclea, hierarch of the twentieth century.
St. Gregory Kallidis was born in 1844 near Silivria and served as a hierarch of the Ecumenical Patriarchate, finally as Metropolitan of Heraclea in Thrace. He was known for his charity, his learning and his pastoral care.
He reposed in Thessaloniki in 1925 and was glorified in 2003.
Feast day
On the New Calendar, Gregory Kallidis is commemorated on July 25. Churches on the Old (Julian) Calendar keep the feast on August 7 of the civil calendar.
Also commemorated on July 25

Fathers of the Fifth Ecumenical Council
Saint, Πατέρες Ε' Οικουμενικής Συνόδου
Commemoration of the 165 Holy Fathers of the Fifth Ecumenical Council in Constantinople.
Blandina and the Martyrs of Lyon
Martyr, Βλανδίνα
Holy Martyrs Sanctus, Maturus, Attalus and Blandina of Lyon in Gaul.