King Bhumibol and Queen Sirikit of Thailand leave Trinity Hall, Trinity College, Cambridge, during their state visit to England, 21st July 1960. They are escorted by Lord Adrian (1889 - 1977), Master of Trinity College, and Princess Alexandra. (Photo by Jimmy Sime/Central Press/Getty Images)
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Hulton Royals Collection Jimmy Sime

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)
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Hulton Royals Collection Evening Standard

UNITED KINGDOM - JULY 20: King Bhumibol And Queen Sirikit. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
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Gamma-Keystone Keystone-France

UNITED KINGDOM - JULY 23: Departure From London Airport To Swiss. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
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Gamma-Keystone Keystone-France

King Bhumibol Adulyadej of Thailand and his consort, Queen Sirikit, arrive at London Airport from Switzerland. (Photo by PA Images via Getty Images)
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PA Images PA Images