Permanent historical records ยท Updated 2026-11-03

1955 in Vietnam

Explore 21 historical events and records for Vietnam in 1955.

Historical records for Vietnam in 1955

Sorted by month and day. Records with no month are shown last. Showing 21 of 21 unique records.

21Unique records
1 of 1Page
15Named events on this page
3Named people on this page
3Places on this page

April

Declaration of War

Diem, Ngo Dinh ยท Saigon ยท President of Vietnam ยท Government / Government of Vietnam

War breaks out in Saigon

Rebellion of Binh Xuyen

Diem, Ngo Dinh ยท Saigon ยท President of Vietnam ยท Government / Government of Vietnam

Supporters of Diem defeat Bao Dai & force Binh Xuyen rebels out of the capital

May

Capture of Saigon

Diem, Ngo Dinh ยท Saigon ยท President of Vietnam ยท Warfare / Military

Supporters of Prime Minister drive the Binh Xuyen rebels out of the capital

Alliance France and South Vietnam

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

France agrees to deploy troops against the Vietminh

July

Alliance Ho Chi-Minh and give North Vietnam $338m in economic aid

Chi-Minh, Ho ยท President of Vietnam ยท Government / Government of Vietnam

China promises to give North Vietnam $338m in economic aid

Accords of Geneva

Diem, Ngo Dinh ยท Geneva ยท President of Vietnam ยท Government / Government of Vietnam

Rejects the Geneva accords & the elections, a decision backed up by the USA. Diem refuses to hold the reunification elections, pointing out that the State of Vietnam had not signed the Geneva Accords

Election

Diem, Ngo Dinh ยท Geneva ยท President of Vietnam ยท Government / Government of Vietnam

Rejects the Geneva accords & the elections, a decision backed up by the USA. Diem refuses to hold the reunification elections, pointing out that the State of Vietnam had not signed the Geneva Accords

President of Vietnam

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Appointed Prime Minister of Southern Vietnam, 2nd term

September

Deputy PM Appointed

Giap, Vo Nguyen ยท Hanoi ยท Deputy Prime Minister of Vietnam ยท Government / Democratic Republic of Vietnam

Appointed Deputy Prime Minister while retaining major military responsibilities

October

Dismissal

Diem, Ngo Dinh ยท Hanoi ยท President of Vietnam ยท Government / Government of Vietnam

Bao Dai dismisses Prime Minister Diem but Diem refuses to resign

Constitution of Vietnam

Diem, Ngo Dinh ยท Hanoi ยท President of Vietnam ยท Government / Government of Vietnam

Diem proclaims a South Vietnamese Republic. A constitution was written by a rubber stamp legislature which gave Diem the power to create laws by decree and arbitrarily give himself emergency powers

Referendum

Diem, Ngo Dinh ยท Hanoi ยท President of Vietnam ยท Government / Government of Vietnam

Diem proclaims a South Vietnamese Republic. A referendum gives PM Diem an overwhelming majority over Bao Dai

US-Backed Referendum

Diem, Ngo Dinh ยท Saigon ยท President of South Vietnam ยท Warfare / Vietnam War, 2nd

Consolidates power in South Vietnam with US support

Constitution of Vietnam

Diem, Ngo Dinh ยท Hanoi ยท President of Vietnam ยท Government / Government of Vietnam

Diem declares himself President & a Republic is declared

President of Vietnam

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Appointed President of Southern Vietnam, Emperor Annam is rejected

Constitution of Vietnam

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Diem scheduled a referendum for October 1955 on whether South Vietnam should become a republic, Diem wins the referendum, which was rigged by his brother Nhu, and proclaimed himself the President of the newly created Republic of Vietnam. Diem refuses to hold the reunification elections, pointing out that the State of Vietnam had not signed the Geneva Accords

Election

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Diem refuses to hold the reunification elections, pointing out that the State of Vietnam had not signed the Geneva Accords

Independence of Vietnam

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Diem scheduled a referendum for October 1955 on whether South Vietnam should become a republic, Diem wins the referendum, which was rigged by his brother Nhu, and proclaimed himself the President of the newly created Republic of Vietnam

President of Vietnam

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Diem scheduled a referendum for October 1955 on whether South Vietnam should become a republic, Diem wins the referendum, which was rigged by his brother Nhu, and proclaimed himself the President of the newly created Republic of Vietnam

Referendum

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Diem scheduled a referendum for October 1955 on whether South Vietnam should become a republic, Diem wins the referendum, which was rigged by his brother Nhu, and proclaimed himself the President of the newly created Republic of Vietnam

Republic of Vietnam

Diem, Ngo Dinh ยท President of Vietnam ยท Government / Government of Vietnam

Diem scheduled a referendum for October 1955 on whether South Vietnam should become a republic, Diem wins the referendum, which was rigged by his brother Nhu, and proclaimed himself the President of the newly created Republic of Vietnam

How these records were prepared

Generated from the World History Database historical_events table. Identical display records are collapsed; descriptions otherwise retain the stored text. Coverage and source quality vary. Check primary and specialist sources before citing individual historical claims.