Historical biography archive · Updated 2026-11-03

Nguyen Van Thieu Biography and Timeline

Follow Nguyen Van Thieu through 18 dated historical records for Vietnam.

Nguyen Van Thieu, historical timeline

A chronological timeline drawn from matching World History Database records.

18Distinct records
1 of 1Page
1964–1975Years on this page

1964

Coup

Saigon · Government / Government of Vietnam

General Nguyen Van Thieu joins forces with Air Vice Marshall Nguyen Cao Ky in a coup against General Nguyen Khanhs Government that lasted for (260 days) from January 1964-October 1964, with the support of a neutralist coalition

Neutrality

Saigon · Government / Government of Vietnam

General Nguyen Van Thieu joins forces with Air Vice Marshall Nguyen Cao Ky in a coup against General Nguyen Khanhs Government that lasted for (260 days) from January 1964-October 1964, with the support of a neutralist coalition

1965

Head of State

Head of State · Saigon · Government / Government of South Vietnam

Thieu becomes chief of state as South Vietnam's military leaders form a new ruling structure

Role range: 1965-1967

Ky Premiership

Head of State · Saigon · Government / Government of South Vietnam

The National Leadership Committee under Thieu appoints Nguyen Cao Ky as premier

Role range: 1965-1967

Military Government

Head of State · Saigon · Government / Government of South Vietnam

Thieu becomes chief of state in the new South Vietnamese military government

Role range: 1965-1967

Military Government

Head of State · Saigon · Warfare / Vietnam War, 2nd

Thieu becomes head of state while Ky takes the stronger executive premiership

Role range: 1960-1975 – 1965-1967

National Leadership Committee

Head of State · Saigon · Warfare / Vietnam War, 2nd

Thieu heads the National Leadership Committee after South Vietnam's generals reorganise the government

Role range: 1960-1975 – 1965-1967

Prime Minister Appointment

Head of State · Saigon · Warfare / Vietnam War, 2nd

Thieu's military leadership group appoints Ky as premier of South Vietnam

Role range: 1960-1975 – 1965-1967

1967

Presidential Election

President of South Vietnam · President of South Vietnam · Saigon · Warfare / Vietnam War, 2nd

Elected president of South Vietnam under the new constitution

Role range: 1960-1975 – 1967-1975

1968

Tet Response

President of South Vietnam · President of South Vietnam · Saigon · Warfare / Vietnam War, 2nd

Leads the South Vietnamese government during the Tet Offensive

Role range: 1960-1975 – 1967-1975

1969

Midway Meeting

President of South Vietnam · President of South Vietnam · Midway Island · Warfare / Vietnam War, 2nd

Meets Nixon as the United States announces troop withdrawals

Role range: 1960-1975 – 1967-1975

Midway Meeting

President of South Vietnam · President of South Vietnam · Midway Island · Warfare / Vietnam War, 2nd

Meets Richard Nixon as Vietnamization is announced

Role range: 1960-1975 – 1967-1975

1970

Cambodia Incursion

President of South Vietnam · President of South Vietnam · Saigon · Warfare / Vietnam War, 2nd

Supports South Vietnamese operations into Cambodia against communist sanctuaries

Role range: 1960-1975 – 1967-1975

1971

Lam Son 719

President of South Vietnam · President of South Vietnam · Southern Laos · Warfare / Vietnam War, 2nd

Orders South Vietnamese forces into Laos during Operation Lam Son 719

Role range: 1960-1975 – 1967-1975

Lam Son 719

President of South Vietnam · President of South Vietnam · Southern Laos · Warfare / Vietnam War, 2nd

Orders South Vietnamese forces into Laos to attack the Ho Chi Minh Trail

Role range: 1960-1975 – 1967-1975

Lam Son 719

President of South Vietnam · President of South Vietnam · Southern Laos · Warfare / Vietnam War, 2nd

South Vietnamese forces enter Laos in Operation Lam Son 719

Role range: 1960-1975 – 1967-1975

South Vietnamese Election

President of South Vietnam · President of South Vietnam · Saigon · Warfare / Vietnam War, 2nd

Wins re-election after opposition candidates withdraw or are excluded

Role range: 1960-1975 – 1967-1975

1975

Resignation of Nguyen Van Thieu

President of South Vietnam · President of South Vietnam · Saigon · Warfare / Vietnam War, 2nd

Resigns as South Vietnam collapses under the final offensive

Role range: 1960-1975 – 1967-1975

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.