Their Royal Highnesses the Princess Elizabeth (later Queen Elizabeth II) and Prince Philip, Duke of Edinburgh, riding in an open car, wave at a cheering crowd gathered in front of the Capitol Theatre in Hamilton, Ontario, Canada, October 1951. Photo taken during the National Film Board of Canada's production of 'Royal Journey,' a documentary account of the five-week visit of Princess Elizabeth and the Duke of Edinburgh to Canada and the United States in the fall of 1951. (Photo by NFB/Getty Images)
