St. Jeremiah I, Patriarch of Constantinople in the sixteenth century.
St. Jeremiah I was Patriarch of Constantinople in the first half of the sixteenth century, during the reign of Suleiman the Magnificent. He defended the churches of the city against confiscation, traveled to Jerusalem and Sinai to strengthen the faithful, and reposed in 1546.
He is commemorated on January 13.
Feast day
On the New Calendar, Jeremiah I of Constantinople is commemorated on January 13. Churches on the Old (Julian) Calendar keep the feast on January 26 of the civil calendar.
Also commemorated on January 13

Stratonikos the Martyr
Martyr, Στρατόνικος
Holy Martyr Stratonikos, who suffered with St. Hermylos at Singidunum.
Name days: Stratonikos, Stratonicus
Maximos Kavsokalyvites
Venerable, Μάξιμος ο Καυσοκαλύβης
Venerable Maximos the Hut-Burner of Mount Athos.
James of Nisibis
Hierarch, Ιάκωβος Νισίβεως
St. James, Bishop of Nisibis, father of the Council of Nicaea.
Hilary of Poitiers
Hierarch, Ιλάριος
St. Hilary, Bishop of Poitiers, defender of the Nicene faith in the West.