Today in History for July 16: In 622, Prophet Mohammad fled from Mecca, where he was despised and persecuted, to the northern city of Medina, marking the day of beginning of Hegira, the Islamic ...

Whether this reunification proceeds or not, the unfolding events serve as a reminder: believers are called to remain watchful ...

Pope Leo XIV welcomed a delegation from the Ecumenical Patriarchate, emphasizing the shared commitment to the journey toward ...

From Pope Leo I and his purported exchange with Attila the Hun to Pope Leo IX's role in the Great Schism of A.D. 1054, the pontifical name holds great importance within the Roman Catholic Church.

Though convention has it the churches split during the Great Schism of 1054, they largely maintained the same calendars until 1582, when Pope Gregory XIII adopted the Gregorian calendar for the ...

Ecumenical Patriarch Bartholomew I of Constantinople on Wednesday offered a hopeful historical assessment of the traditional 1054 date for the “Great Schism” between Rome and Constantinople ...

Francis is likely to use the occasion — the anniversary of a council before the Great Schism of 1054, which divided the church between East and West — to once again reach out to Orthodox ...

Pope Francis says he hopes to travel to Turkey next year to commemorate the 1,700th anniversary of the Council of Nicaea, Christianity’s first ecumenical council.