The Nicene confession of faith is recognized today as an ecumenical trait d’union that no later schism or heresy has been ...

The Council of Chalcedon held in 451 was the last council ... Christianity culminated in what has been called the Great Schism, in 1054, when the patriarchs of the Eastern and Western division ...

Italian Archbishop Carlo Maria Viganò, a former papal ambassador to the United States who became an ultra-conservative critic of Pope Francis, has been excommunicated for schism. The Vatican said ...

Rising out of the Nestorian schism were more Christological conflicts ... for defining Christological doctrines at the Council of Chalcedon in 451. “Both natures retain their own proper ...