Politics, Royalty, Buckingham Palace, London , England, 15th June 1961, Prior to a banquet in honour of the President of the United States, HRH Queen Elizabeth II ( second right) with Prince Philip ( far left) together with American President John F, Kenn [Getty Images]

Politics, Royalty, Buckingham Palace, London , England, 15th June 1961, Prior to a banquet in honour of the President of the United States, HRH Queen Elizabeth II ( second right) with Prince Philip ( far left) together with American President John F, Kennedy ( far right) and his wife and First Lady Jacqueline (Photo by Popperfoto via Getty Images/Getty Images) — see more

Politics, Royalty, Buckingham Palace, London , England, 15th June 1961, Prior to a banquet in honour of the President of the United States, HRH Queen Elizabeth II ( second right) with Prince Philip ( far left) together with American President John F, Kennedy ( far right) and his wife and First Lady Jacqueline (Photo by Popperfoto via Getty Images/Getty Images)