Members of the British Royal Family, from left, Princess Anne, Prince Charles, Prince Philip, Duke of Edinburgh and Queen Elizabeth II pictured meeting with President of the United States, Richard Nixon (1913-1994) in Buckingham Palace, London on 25th February 1969, during filming of the television documentary 'Royal Family' in 1969. The documentary would be first broadcast to the nation's television viewers on 21st June 1969. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)
