20th-century history of the Catholic Church in the United States 20th-century history of the Catholic Church in the United States The 20th-century history of the Catholic Church in the United States was characterized by a period of continuous growth for the Church in the United States, with Catholics progressively evolving from a small minority to a large minority. In 1900 the Catholic population was 10 million, under the control of 14 Archbishops, 77 bishops, and 12,000 priests . The community had built 10,000 churches, of which two-thirds had resident pastors. Catholic schools educated nearly 1,000,000 children and youth. Catholics were heavily concentrated in the industrial and mining centers of the
Christianity in the 17th century little success; and the ecumenical ambition to overcome the schism of the Protestant Reformation remained almost entirely theoretical. The Church of England under William Laud made serious approaches to figures in the Orthodox Church, looking for common ground. Within Calvinism an important split occurred with the rise of Arminianism; the Synod of Dort of 1618-19 was a national gathering but with international repercussions, as the teaching of Arminius was firmly rejected at a meeting to which Protestant theologians from outside the Netherlands were invited. The Westminster Assembly of the 1640s was another major council dealing with Reformed theology, and some