The English Civil War (1642_1651) was a series of armed conflicts and political machinations between Parliamentarians (Roundheads) and Royalists (Cavaliers). The first (1642-46) and second (1648-49) civil wars pitted the supporters of King Charles I against the supporters of the Long Parliament, while the third war (1649-51) saw fighting between supporters of King Charles II and supporters of the Rump Parliament. The Civil War ended with the Parliamentary victory at the Battle of Worcester on 3 September 1651. The English Civil War led to the trial and execution of Charles I, the exile of his son, Charles II, and replacement of English monarchy with, first, the Commonwealth of England (1649-53), and then with a Protectorate (1653-59), under Oliver Cromwell's personal rule. The monopoly of the Church of England on Christian worship in England ended with the victors consolidating the established Protestant Ascendancy in Ireland.
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