
The Puritans were English Protestants in the 16th and 17th centuries who sought to purify the Church of England of Roman Catholic practices, maintaining that the Church of England had not been fully reformed and should become more Protestant. Puritans were dissatisfied with the limited extent of the English Reformation and with the Church of England's toleration of certain practices associated with the Roman Catholic Church. In church polity, some advocated separation from all other established Christian denominations in favour of autonomous gathered churches. These Separatist and independent strands of Puritanism became prominent in the 1640s, when the supporters of a presbyterian polity in the Westminster Assembly were unable to forge a new English national church. Almost all Puritan clergy left the Church of England after the restoration of the monarchy in 1660 and the 1662 Uniformity Act. Many continued to practice their faith in nonconformist denominations, especially in Congregationalist and Presbyterian churches. The nature of the movement in England changed radically, although it retained its character for a much longer period in New England. Some Puritan ideals, including the formal rejection of Roman Catholicism, were incorporated into the doctrines of the Church of England; The Congregational churches, widely considered to be a part of the Reformed tradition, are descended from the Puritans. Moreover, Puritan beliefs are enshrined in the Savoy Declaration, the confession of faith held by the Congregationalist churches.