Oliver Cromwell (25 April 1599 – 3 September 1658) was an English general and statesman who, first as a subordinate and later as Commander-in-Chief, led armies of the Parliament of England against King Charles I during the English Civil War, subsequently ruling the British Isles as Lord Protector from 1653 until his death in 1658. He acted simultaneously as head of state and head of government of the new republican commonwealth.
