The original Magna Carta dates back to 1215, to England as ruled by King John I. It represents the transition from a brokered agreement to the foundation of English law, upon which U.S. law is also based.
The version of the manuscript at the U.S. National Archives was authenticated by King Edward I of England in 1297. I’m willing to hazard a guess that it has since been authenticated by others as well! It is one of only four known copies of the Magna Carta in existence today. Continue reading