* the [[Orthodox Church]] (approx. 300 million baptized members) which also holds ancient theological roots stretching back to the beginnings of Christianity, but does not believe in the primacy of the Pope. Different theological perspectives led to the [[Great Schism]] with the Catholic Church in A.D. 1054. | * the [[Orthodox Church]] (approx. 300 million baptized members) which also holds ancient theological roots stretching back to the beginnings of Christianity, but does not believe in the primacy of the Pope. Different theological perspectives led to the [[Great Schism]] with the Catholic Church in A.D. 1054. |