The document discusses the English Civil War between King Charles I and Parliament in the 1600s. It led to the king being executed in 1649. Afterwards England went through a period of rule by the Lord Protector Oliver Cromwell before the monarchy was restored in 1660 with King Charles II. However, tensions continued between kings and Parliament, ultimately leading to the Glorious Revolution of 1688 when William and Mary took the throne and England became a constitutional monarchy with the king's power limited by Parliament and the Bill of Rights.