LONDON, ENGLAND - MARCH 11:  Thomas Jeffersons handwritten copy of the Declaration of Independence is displayed at The British Library on March 11, 2015 in London, England. The British Library is currently running the 'Magna Carta: Law, Liberty, Legacy' exhibition, which opens to the public until September 1, 2015 and has two original 1215 Magna Carta manuscripts on display.  (Photo by Dan Kitwood/Getty Images)