The Council of Constantinople of 553 (often called Constantinople II or the Fifth Ecumenical Council) has been described as 'by far the most problematic of all

In 451 CE the Council of Chalcedon was called to assert the preeminence of orthodox Catholic doctrine against the heresy of men who refused what we now refer to

This collection of essays has its origin in a conference held at Oxford in 2006 to mark the publication of the first English edition of the Acts of Chalcedon. I

The Council of Chalcedon in 451 was a defining moment in the Christological controversies that tore apart the churches of the Eastern Roman Empire in the fifth