Constantinople fell, and Emperor Constantine XI’s sacrifice marked the end of an era and a legacy of faith and defiance.

May 21 is a festive day as the Greek Orthodox Church commemorates Saint Constantine, the founder of Constantinople, and his ...

Imagine a board meeting so momentous that its minutes would be remembered a millennium later. That meeting took place ...

This raucous meeting, which took place exactly 1700 years ago, was one of the most important in Christian history.

Pope Leo XIV addressed Rome’s mayor minutes before making his way to the Basilica of St. John Lateran to take possession of ...

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

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

On Saturday and Sunday, 31 May and 1 June, Niš will host the first-ever Roman Festival – Constantine the Great, dedicated to ...

The goal of Nicaea—unity in faith among Christians—remains, but the methodology has changed almost 180 degrees and, if we are ...

Pope Leo I tangled with Attila the Hun and won. Pope Leo III crowned Charlemagne as the first Holy Roman Emperor. This is the ...

For a particularly meaningful way to visit Rome’s major churches - and to sidestep the crowds - try following in the ...