LONDON, UNITED KINGDOM - FEBRUARY 23: Queen Elizabeth II (R) and Duke of Edinburgh (C) look on as they are shown a copy of the magna carta by Dr Claire Breay of the British Library during a reception to mark the 800th anniversary of the Magna Carta at at Buckingham Place on February 23, 2015 in London, England. (Photo by Nick Ansell/WPA Pool/Getty Images)