Petition of Right
Overview
Parliament forces King Charles I to acknowledge limits on royal power. Directly invokes Magna Carta and reaffirms that even kings must obey the law. A key step toward constitutional monarchy.
Historical Context
The King: Charles I (r. 1625-1649) believed in divine right - kings answer only to God. He saw Parliament as advisors, not partners. He needed their money but resented their conditions.
The Grievances: Charles had forced "loans" without Parliamentary consent. When knights refused to pay, he imprisoned them without charge. He quartered soldiers in civilian homes. He imposed martial law in peacetime.
The Petition: Parliament didn't claim new rights - they cited Magna Carta and existing law. The genius was framing ancient liberties as the king's own legal tradition. Charles couldn't refuse without denying his own legitimacy.
The Outcome: Charles signed, got his money, then ignored the Petition. This set the stage for Civil War (1642-1651), Charles's execution (1649), and eventually the Glorious Revolution (1688).
The Legacy: The Petition's principles - no taxation without representation, no imprisonment without due process - became core American grievances against George III 150 years later.