Episcopal polity Apostle. Currently the bishops of the Assyrian Church of the East continue to maintain its apostolic succession. Anglicanism is the most prominent of the Reformation traditions to lay claim to the historic episcopate through apostolic succession in terms comparable to the various Roman Catholic and Orthodox Communions. Anglicans assert unbroken episcopal succession in and through the Church of England back to St. Augustine of Canterbury and to the first century Roman province of Britannia. While some Celtic Christian practices were changed at the Synod of Whitby, the church in the British Isles was under papal authority from earliest times. The
United Episcopal Church of North America Common Prayer is permitted. The changes in the mainline denominations that it and other continuing churches object to include the acceptance of lax policies on the authority of Scripture, divorce, abortion, the ordination of women, and changes to the theology of the Book of Common Prayer. They also object to more recent innovations such as the ordination of openly homosexual clergy, but these were not at issue when they broke with the Episcopal Church. The origins of the United Episcopal Church of North America lie with the Congress of St. Louis in September 1977, and with Charles D. D. Doren,