Callistus I of Constantinople, Saint | Ecumenical Patriarch
Saint Patriarch Callistus I, a significant figure in Byzantine history, was born in the 13th century and passed away in August 1363. His tenure as the Patriarch of Constantinople, from 1350 to 1353 and again from 1355 to 1363, marked a period of profound religious and political influence. Recognized for his deep spirituality and erudition, […]