The English Civil was an important part of English Revolution in 17th Century. It was a series of armed conflicts and political machinations between Parliamentarians and Royalists. It lasted ten years-from 1642 to 1651. According to the opinions of the historians, the English Civil war in 17th century could be divided into two parts: the first English Civil war and the second English Civil War. At last, the Parliamentarians won the war. It caused a big change in English political system.