| Born in 1927 at Tra Vinh, South Vietnam |
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| 10/1964 | General Command in Chief of ARVN.
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| 09/20/1964 | Defense Minister.
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| 01/30/1964 | Chief of State.
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| 01/30/1964 | Prime Minister.
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| 11/1963 to 01/1964 | Lieutenant General, I Corps Commander.
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| 12/1962 to 11/1963 | Major General, II Corps Commander.
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| 11/1960 to 12/1962 | Major General, Inter-Arms Chief of Staff.
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| 1959 to 1960 | Secretary General of Defense Ministry.
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| 1958 to 1959 | Colonel, Western Sector (comprising provinces from Long An to Ca Mau) Commander.
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| 1957 to 1958 | Colonel Hau Giang (comprising provinces of Kien Hoa, My Tho, Vinh Long) Region Commander.
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| 1956 to 1957 | Colonel, 1st Infantry Division Commander.
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| 10/23/1955 | Promoted to Colonel and 3rd National Order Medal's Recipient.
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| 09/1955 | Lieutenant Colonel, Hoan Dieu Campaign's Deputy Commander.
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| 07/1955 | Lieutenant Colonel, Air Force Commander.
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| 02/1955 | Lieutenant Colonel, Chief of Can Tho Province.
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| 1954 to 1955 | Attended High Command and Chief of Staff in France.
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| 1953 to 1954 | Lieutenant Colonel, 11th Group Commander.
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| 1952 to 1953 | Major, 13th Group Commander.
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| 1949 to 1952 | Captain, Company Commander.
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| 1948 to 1949 | Lieutenant, Attache Officer to the Prime Minister.
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| 1948 to | First Lieutenant, 1st Battalion.
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| 1946 to 1947 | Graduate as Aspirant Lieutenant of Vien Dong (Dalat) Military Academy.
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| | Graduate, Saint Saumur (France) Military Academy.
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