By the end of the 17th century in America, the Puritans in Massachusetts Bay Colony had effectively created a separate Protestant denomination, the Congregationalists. Congregationalism remained the dominant religious force in [[New England]] until the middle of the 19th century. It was the established, state-supported church in [[Connecticut]] until 1818 and in [[Massachusetts]] until 1833. | By the end of the 17th century in America, the Puritans in Massachusetts Bay Colony had effectively created a separate Protestant denomination, the Congregationalists. Congregationalism remained the dominant religious force in [[New England]] until the middle of the 19th century. It was the established, state-supported church in [[Connecticut]] until 1818 and in [[Massachusetts]] until 1833. |