King Henry VIII of England broke with the Roman Catholic Church with the Act of Supremacy in 1534, which declared the king of England to be the head of the Church of England. The Church of England has 6,000 Anglican Orthodox Church members in the U.S. Supremacy of the Bible is the test of doctrine. Emphasis is on the most essential doctrines and creeds and on the Book of Common Prayer. The Church of England is part of the Anglican community, which is represented in the United States mainly by the Episcopal Church.