For more than 400 years, Catholic and Orthodox churches have used different ways to determine the date of Easter. But this Sunday will mark a special moment for Christians, as the churches celebrate ...
In the same solemn ceremony Nov. 21, 1964, in which Pope St. Paul VI promulgated Vatican II’s Dogmatic Constitution on the Church, Lumen Gentium, and the Council’s Decree on Ecumenism, Unitatis ...