The Magna Carta was granted 800 years ago. A series of events are taking place on the anniversary – 14 and 15 June – to mark the occasion, including a flotilla of boats sailing down the Thames and a royal appearance in Runnymede, the site of the charter’s sealing all those years ago.
So what is it, how did it come about, and what does it do today?

What is the Magna Carta, and why is it important? – Telegraph.