The charter that King John was persuaded to sign at Runnymede in 1215 remains the root of all the constitutional freedoms that the English (and later the British) people were to win for themselves over the following centuries.
Many of the issues it deals with might sound rather obscure to us today, but its one overriding principle, never superseded, was that the monarch was not above the law. He or she could only act in accordance with the legal principles that had been enacted by representatives of the people.
Magna Carta was the starting-point of the British constitution, and as such also lies at the foundation of the world's oldest written constitution, that of the United States.
Biography
ICONS traces the events that led up to the signing of Magna Carta at Runnymede, and asks why King John has been given such a bad press
Features
In which we compare the written and unwritten constitutions of the United States and the United Kingdom, look at how parchment was produced, and talk to Professor Philippe Sands, expert in international law