Agrément/designated
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Diplomatic accreditation
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Ambassador
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Thai name
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Observations
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List of prime ministers of Thailand
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List of presidents of the United States
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Term end
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November 1, 1893
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Phra Suriya Nuvatr
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พระสุริยานุรัตน์
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Chargé d'affaires After the Paknam incident he was sent from London to Washington, D.C. to search for Arbitration in the Franco-Siamese crisis, Listed as SIAM,
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Chulalongkorn
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Grover Cleveland
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April 1, 1894
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Legation replaced
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Chulalongkorn
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Grover Cleveland
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June 1, 1894
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June 2, 1894
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Marquis de Maha Yotha
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Envoy Extraordinary and Minister Plenipotentiary
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Chulalongkorn
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Grover Cleveland
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August 1, 1895
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Legation replaced
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Chulalongkorn
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Grover Cleveland
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December 1, 1898
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November 12, 1898
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Visuddha Suriyasakti
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In 1903 he was Thai Ambassador to the United Kingdom, 1903: M. Phya Visuddha Suriyasakti, Son Envoyé extraordinaire et Ministre plénipotentiaire à la Haye et à Londres. Phya means Marquis
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Chulalongkorn
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William McKinley
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December 1, 1899
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April 16, 1900
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Phya Prasiddhi
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with residence in London. Thai Ambassador to the United Kingdom
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Chulalongkorn
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William McKinley
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December 13, 1901
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Akharaj Varadhara
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Phya =Marquis de
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Chulalongkorn
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Theodore Roosevelt
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May 22, 1912
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Prince Traidos Prabandh
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Vajiravudh
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William Howard Taft
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December 8, 1913
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Phya Prabha Karavongse
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Vajiravudh
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Woodrow Wilson
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May 26, 1921
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May 26, 1921
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Sanpakitch Preencha [es]
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พระยาสรรพกิจปรีชา
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Chargé d'affaires
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Vajiravudh
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Warren G. Harding
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April 27, 1923
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Phya Buri Navarasth
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พญาบุรีนวรัฐ
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(Died February 7, 1926)
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Vajiravudh
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Calvin Coolidge
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February 8, 1926
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Pra Sundara Vachana
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Chargé d'affaires
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Prajadhipok
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Calvin Coolidge
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October 15, 1926
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Phya Vijitavongs
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พลโทพญาวิจัชวงศ์
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Lt. Gen.
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Prajadhipok
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Calvin Coolidge
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May 29, 1929
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Prince Amoradat Kridakara
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พลเอกเจ้าอาวาสรามาธิบดี
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Maj. Gen.
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Prajadhipok
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Herbert C. Hoover
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January 5, 1932
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Phya Subarn Sompati
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Phraya Manopakorn Nititada
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Herbert C. Hoover
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April 11, 1933
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Prince Pridi Debyabongs Devakula
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พลตรี หม่อมเจ้าปรีดิเทพย์พงศ์ เทวกุล
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From 1930 to 1931 he was Thai Ambassador to Germany
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Phraya Phahon Phonphayuhasena
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Franklin D. Roosevelt
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August 15, 1935
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August 21, 1935
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Phya Abhibal Rajamaitri
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(* March 7, 1885 in Bangkok) Son of Chao Phya Surawongs and Yai Bunnag.
- 1901–1904 studied at Malvern College, England.
- 1909 Bachelor of Laws, King's College, Cambridge, England.
- 1910 Barrister-at-law, Inner Temple, London, England.
- 1915 Teru. Barrister-at-law, Siam.
- From 1930 to 1932 he was Thai Ambassador to Italy, Envoy Extraordinary anu Minister Plenipotentiary of Siam to Rome.
- From 1 September 1933 – 22 September 1934 he was State councillor of Siam for foreign affairs, while Tom Bunnag was Foreign minister.
- In 1935 he became Envoy Extraordinary anu Minister Plenipotentiary of Siam to Washington, D.C.
- From 1933 to 1935 he was Member Assembly of People's Representatives.
- From July 8, 1948, to May 15, 1958, he was Thai Ambassador to China.
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Phraya Phahon Phonphayuhasena
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Franklin D. Roosevelt
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June 24, 1940
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August 1, 1939
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Listed as THAILAND
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Phibul Songkhram
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Franklin D. Roosevelt
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June 18, 1940
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June 24, 1940
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Seni Pramoj
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th:หม่อมราชวงศ์เสนีย์ ปราโมช
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October 1945Listed as SIAM
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Phibul Songkhram
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Franklin D. Roosevelt
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January 16, 1949
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Thanat Khoman
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Chargé d'affaires
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Phibul Songkhram
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Harry S. Truman
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March 26, 1947
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Legation raised to Embassy, Effective date of elevation of Mission was date of President's approval of agreement.
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Kuang Abhayawongse
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Harry S. Truman
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April 14, 1947
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April 18, 1947
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Wan Waithayakon
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th:พระเจ้าวรวงศ์เธอ พระองค์เจ้าวรรณไวทยากร กรมหมื่นนราธิปพงศ์ประพันธ์
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Kuang Abhayawongse
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Harry S. Truman
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November 8, 1947
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relations served after the Siamese coup d'état of 1947
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Kuang Abhayawongse
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Harry S. Truman
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March 6, 1948
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June 5, 1952
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June 12, 1952
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Pote Sarasin
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th:พจน์ สารสิน
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Phibul Songkhram
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Harry S. Truman
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September 10, 1947
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October 14, 1957
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Thanat Khoman
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th:ถนัด คอมันตร์
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Kuang Abhayawongse
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Harry S. Truman
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May 12, 1959
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June 1, 1959
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Visutr Arthayukti
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Sarit Dhanarajata
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Dwight D. Eisenhower
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October 29, 1963
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December 19, 1963
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Sukich Nimmanheminda
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Thanom Kittikachorn
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Lyndon B. Johnson
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December 20, 1967
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January 19, 1968
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Bunchana Atthakor
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Thanom Kittikachorn
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Lyndon B. Johnson
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September 16, 1969
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October 10, 1969
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Sunthorn Hongladarom [de]
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th:สุนทร หงส์ลดารมภ์
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Thanom Kittikachorn
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Richard Nixon
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September 13, 1972
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October 2, 1972
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Anand Panyarachun
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th:อานันท์ ปันยารชุน
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Thanom Kittikachorn
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Richard Nixon
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January 19, 1976
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February 9, 1976
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Upadit Pachariyangkun [fr]
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th:อุปดิศร์ ปาจรียางกูร
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Seni Pramoj
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Gerald Ford
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October 22, 1976
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Sukho Suwansiri
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Chargé d'affaires
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Seni Pramoj
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Gerald Ford
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April 26, 1977
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May 13, 1977
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Arun Panupong
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อรุณ ภาณุพงศ์
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Kriangsak Chomanan
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Jimmy Carter
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January 17, 1978
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Sukho Suwansiri
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Chargé d'affaires
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Kriangsak Chomanan
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Jimmy Carter
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July 24, 1978
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August 2, 1978
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Klos Visessurakarn
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Kriangsak Chomanan
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Jimmy Carter
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June 26, 1980
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August 22, 1980
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Prok Amaranand
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Prem Tinsulanonda
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Jimmy Carter
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November 9, 1982
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November 22, 1982
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Kasem S. Kasemsri [de]
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th:หม่อมราชวงศ์เกษมสโมสร เกษมศรี
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Kasemsamosorn Kasemsri
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Prem Tinsulanonda
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Ronald Reagan
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September 30, 1985
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November 24, 1985
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Arsa Sarasin
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th:อาสา สารสิน
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Prem Tinsulanonda
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Ronald Reagan
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April 13, 1988
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July 5, 1988
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Vitthya Vejjajiva
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Chatichai Choonhavan
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Ronald Reagan
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May 23, 1991
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June 11, 1991
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Birabhongse Kasemsri
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th:หม่อมหลวงพีระพงศ์ เกษมศรี
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Anand Panyarachun
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George H. W. Bush
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June 23, 1994
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Manaspas Xuto
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มนัสพาสน์ ชูโต
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Suchinda Kraprayoon
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Bill Clinton
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January 25, 1996
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February 6, 1996
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Nitya Pibulsonggram
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th:นิตย์ พิบูลสงคราม
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Chavalit Yongchaiyudh
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Bill Clinton
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April 7, 2000
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June 14, 2000
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Tej Bunnag
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th:เตซ บุนนาค
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Chuan Leekpai
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Bill Clinton
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November 27, 2001
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December 12, 2001
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Sakthip Krairiksh
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ศักดิ์ทิพย์ ไกรฤกษ์
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Thaksin Shinawatra
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George W. Bush
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July 12, 2004
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July 15, 2004
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Kasit Piromya
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th:กษิต ภิรมย์
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Thaksin Shinawatra
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George W. Bush
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February 10, 2006
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March 13, 2006
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Virasakdi Futrakul
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th:วีระศักดิ์ ฟูตระกูล
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Surayud Chulanont
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George W. Bush
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April 26, 2007
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July 25, 2007
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Krit Garnjana Goonchorn
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th:กฤษณ์ กาญจนกุญชร
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Surayud Chulanont
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George W. Bush
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July 17, 2009
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July 20, 2009
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Don Pramudwinai
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th:ดอน ปรมัตถ์วินัย
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Samak Sundaravej
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Barack Obama
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December 6, 2010
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December 7, 2010
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Kittiphong Na Ranong
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th:กิตติพงษ์ ณ ระนอง
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Samak Sundaravej
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Barack Obama
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April 18, 2012
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May 2, 2012
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Chaiyong Satjipanon
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th:ชัยยงค์ สัจจิพานนท์
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Yingluck Shinawatra
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Barack Obama
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October 25, 2013
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December 3, 2013
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Vijavat Isarabhakdi
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th:วิชาวัฒน์ อิศรภักดี
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Yingluck Shinawatra
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Barack Obama
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May 7, 2014
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February 18, 2015
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February 23, 2015
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Pisan Manawapat
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พิศาล มาณวพัฒน์
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Prayut Chan-o-cha
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Barack Obama
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August 22, 2023
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June 2018
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Virachai Plasai
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th:วีรชัย พลาศรัย
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Died March 16, 2019
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Prayut Chan-o-cha
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Donald Trump
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March 16, 2019
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August 2019
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January 6, 2021
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Thani Thongphakdi
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ธานี ทองภักดี
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Prayut Chan-o-cha
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Donald Trump
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September 2020
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2021
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Manasvi Srisodapol
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มนัสวี ศรีโสดาพล
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Prayut Chan-o-cha
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Joe Biden
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September 2022
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November 2022
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December 12, 2022
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Tanee Sangrat
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ธานี แสงรัตน์
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Prayut Chan-o-cha
Srettha Tavisin
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Joe Biden
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May 2024
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June 2024
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June 17th, 2024
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Suriya Chindawongse
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สุริยา จินดาวงษ์
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Srettha Tavisin
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Joe Biden
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