This unique work - no other work yet available in English treats this subject - illustrates the contribution of these Councils in the development and formulatio

There have been twenty-one universal gatherings 'ecumenical councils' of the Catholic Church. The first opened in 325, the last closed in 1965, and the names of

In the history of Christianity, the first seven ecumenical councils include the following: the First Council of Nicaea in 325, the First Council of Constantinop