What was recalled by the narrator at Magna Charta Island?

That morning, the men arrive at Magna Charta Island, near Runnymede. As the name suggests, Magna Charta Island is where King John signed the Magna Carta in 1215. J. speculates at length about what it would have been like to be a peasant living in Runnymede at the time of the event.As the men approach Magna Charta Island, Jerome imagines what it would have been like to be a peasant when King John was forced to sign the Magna Carta in 1215.