John met the rebel leaders at Runnymede, situated between the royal fortress of Windsor Castle and the rebel base at Staines, on 10 June 1215, where they presented him with their draft demands for reform, the "Articles of the Barons".
John met the rebel leaders at Runnymede, a water-meadow on the south bank of the River Thames, on 10 June 1215. Here the rebels presented John with their draft demands for reform, the "Articles of the Barons".