Many Congregational churches claim their descent from a family of Protestant denominations formed on a theory of union published by the theologian Robert Browne in 1592. These arose from the Nonconformist religious movement during the Puritan reformation of the Church of England. In Great Britain, the early congregationalists were called separatists or independents to distinguish them from the similarly Calvinistic Presbyterians. Some congregationalists in Britain still call themselves Independent.
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