National Service To Mark The 200th Anniversary Of The Battle Of Waterloo [Getty Images]

LONDON, UNITED KINGDOM - JUNE 18: Prince Charles, Prince of Wales and Camilla, Duchess of Cornwall attend a commemoration service to mark the 200th Anniversary of the Battle of Waterloo, at St Paul's Cathedral on June 18, 2015 in London, England. (Photo by Anthony Devlin - WPA Pool/Getty Images)

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