The Puritans were English Protestants prior to the 19th century. Some moved to other countries, including America, for more religious freedom.
George Villiers, Duke of Buckingham was assassinated by the Puritan John Felton in 1628. (AUDIO: The Church and the Crown)
The views of the Puritan minister Cotton Mather may have helped inspire the Salem witch trials in 1692. (PROSE: The Witch Hunters)