King Bhumibol (left) and Queen Sirikit of Thailand at Lancaster House in London during a State Visit, circa 1960. (Photo by Ray Bellisario/Popperfoto via Getty Images/Getty Images)
King Bhumibol Aduladej and Queen Sirikit of Thailand arrive at Westminster Abbey to pay homage at the tomb of the Unknown Warrior, one of the first official engagements of their State visit to London.   (Photo by PA Images via Getty Images)
LONDON, UNITED KINGDOM - JULY 19: Queen Queen Sirikit Kitiyakara Of Thailand signs the visitors' book after the wreath lying ceremony on the tomb of the Unknown Soldier at Westminster Abbey in London, United Kingdom, on July 19, 1960 - King Bhumibol Adulyadej of Thailand and wife Queen Sirikit Kitiyakara are in London for a three-day state visit. (Photo by Keystone-France/Gamma-Rapho via Getty Images)
Queen Sirikit of Thailand, at Burlington House, London, during a State Visit, circa 1960. (Photo by Ray Bellisario/Popperfoto via Getty Images/Getty Images)
King Bhumibol and Queen Sirikit of Thailand wave to the crowds during a visit to Britain, 1960. (Photo by Evening Standard/Hulton Archive/Getty Images)