Edited by Janet S. Loengard, Professor of History Emerita, Moravian College, Bethlehem. PA Magna Carta marked a watershed in the relations between monarch and subject and as such has long been central ...

In this film, Dr Sam Caslin from Liverpool University explores sources at The National Archives in Kew to discover the origins and importance of Magna Carta, which was first written in 1215.

"We rightly celebrate Magna Carta as an important part of our legal system, so it's understandable that people think that the full original text still has full legal standing," she says.

Magna Carta outlined the right to a fair trial and the principle that no-one was above the law Three rare Magna Cartas will go on display to celebrate the 800th anniversary of a 1225 issue.