The 381 Council of Constantinople solidified Trinitarian doctrine, affirmed the Holy Spirit’s divinity, and reshaped the ...

This year, the universal Church celebrates the 1,700th anniversary of the Council of Nicaea, the first ecumenical council ...

A quiet yet symbolically significant gathering took place on May 17 at the Coptic Orthodox Patriarchate in Cairo.

The Armenians also fell into heresy after the Council of Chalcedon. The Council of Florence in 1439 declared reunion with the Armenians, and Pope Benedict XIV confirmed the first Patriarch in 1742.

But Pope St. Leo I, following an ancient Latin ... even before Rome, in 451 at the Council of Chalcedon, came to recognize and receive the Symbol of 381. The use of this formula in the Creed ...

This decision was further explained by the Council of Chalcedon (451 ... but it was proclaimed as an independent dogma by Pope Pius IX in his Apostolic Constitution "Ineffabilis Deus" (December ...

When someone accepts election as pontiff, there undergoes a change in that individual, not only in life purpose in leading ...

In Istanbul, where he has lived since his election as Metropolitan of Chalcedon ... of the Council of Nicaea, hoping to establish “a common date for Easter” and to welcome Pope Francis to ...

Why have Ecumenical Patriarch Bartholomew and Pope Francis expressed such strong ... the site of the Council of Chalcedon. “It echoes Jesus’ words: ‘You are Peter, and on this rock I will ...

particularly at the council of Chalcedon in 451 AD. Then there was Gregory the Great, it was during his term that the word ‘pope’ was almost exclusively applied to the Roman bishop and he believed the ...