<P> The charter became part of English political life and was typically renewed by each monarch in turn, although as time went by and the fledgling English Parliament passed new laws, it lost some of its practical significance . At the end of the 16th century there was an upsurge in interest in Magna Carta . Lawyers and historians at the time believed that there was an ancient English constitution, going back to the days of the Anglo - Saxons, that protected individual English freedoms . They argued that the Norman invasion of 1066 had overthrown these rights, and that Magna Carta had been a popular attempt to restore them, making the charter an essential foundation for the contemporary powers of Parliament and legal principles such as habeas corpus . Although this historical account was badly flawed, jurists such as Sir Edward Coke used Magna Carta extensively in the early 17th century, arguing against the divine right of kings propounded by the Stuart monarchs . Both James I and his son Charles I attempted to suppress the discussion of Magna Carta, until the issue was curtailed by the English Civil War of the 1640s and the execution of Charles . </P> <P> The political myth of Magna Carta and its protection of ancient personal liberties persisted after the Glorious Revolution of 1688 until well into the 19th century . It influenced the early American colonists in the Thirteen Colonies and the formation of the American Constitution in 1787, which became the supreme law of the land in the new republic of the United States . Research by Victorian historians showed that the original 1215 charter had concerned the medieval relationship between the monarch and the barons, rather than the rights of ordinary people, but the charter remained a powerful, iconic document, even after almost all of its content was repealed from the statute books in the 19th and 20th centuries . Magna Carta still forms an important symbol of liberty today, often cited by politicians and campaigners, and is held in great respect by the British and American legal communities, Lord Denning describing it as "the greatest constitutional document of all times--the foundation of the freedom of the individual against the arbitrary authority of the despot". </P> <P> In the 21st century, four exemplifications of the original 1215 charter remain in existence, two at the British Library, one at Lincoln Cathedral and one at Salisbury Cathedral . There are also a handful of the subsequent charters in public and private ownership, including copies of the 1297 charter in both the United States and Australia . The original charters were written on parchment sheets using quill pens, in heavily abbreviated medieval Latin, which was the convention for legal documents at that time . Each was sealed with the royal great seal (made of beeswax and resin sealing wax): very few of the seals have survived . Although scholars refer to the 63 numbered "clauses" of Magna Carta, this is a modern system of numbering, introduced by Sir William Blackstone in 1759; the original charter formed a single, long unbroken text . The four original 1215 charters were displayed together at the British Library for one day, 3 February 2015, to mark the 800th anniversary of Magna Carta . </P> <P> Magna Carta originated as an unsuccessful attempt to achieve peace between royalist and rebel factions in 1215, as part of the events leading to the outbreak of the First Barons' War . England was ruled by King John, the third of the Angevin kings . Although the kingdom had a robust administrative system, the nature of government under the Angevin monarchs was ill - defined and uncertain . John and his predecessors had ruled using the principle of vis et voluntas, or "force and will", taking executive and sometimes arbitrary decisions, often justified on the basis that a king was above the law . Many contemporary writers believed that monarchs should rule in accordance with the custom and the law, with the counsel of the leading members of the realm, but there was no model for what should happen if a king refused to do so . </P>

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