The Fifth Division of the Army of the Republic of Vietnam

Army of the Republic of Vietnam

The Army of the Republic of Viet Nam , sometimes parsimoniously referred to as the South Vietnamese Army , was the land-based military forces of the Republic of Vietnam , which existed from October 26, 1955 until the fall of Saigon on April 30, 1975...

 (ARVN)—the army of the nation state of South Vietnam

South Vietnam

South Vietnam was a state which governed southern Vietnam until 1975. It received international recognition in 1950 as the "State of Vietnam" and later as the "Republic of Vietnam" . Its capital was Saigon...

 that existed from 1955 to 1975—was part of the III Corps

III Corps (South Vietnam)

III Corps was a corps of the Army of the Republic of Vietnam , the army of the nation state of South Vietnam that existed from 1955 to 1975...

 that oversaw the region of the country surrounding the capital, Saigon.

The Fifth Division was based in Bien Hoa

Bien Hoa

Biên Hòa is a city in Dong Nai province, Vietnam, about east of Ho Chi Minh City , to which Bien Hoa is linked by Vietnam Highway 1.- Demographics :In 1989 the estimated population was over 300,000. In 2005, the population wss 541,495...

, a town on the northern outskirts of Saigon, and due to the division's close proximity to the capital Saigon was a key factor in the success or failure of the various coup attempts in the nation's history. As a result, the loyalty of the commanding officer of the division was crucial in maintaining power.

In the 1960 South Vietnamese coup attempt

1960 South Vietnamese coup attempt

On November 11, 1960, a failed coup attempt against President Ngo Dinh Diem of South Vietnam was led by Lieutenant Colonel Vuong Van Dong and Colonel Nguyen Chanh Thi of the Airborne Division of the Army of the Republic of Vietnam ....

, the loyalist Colonel Nguyen Van Thieu

Nguyen Van Thieu

Nguyễn Văn Thiệu was president of South Vietnam from 1965 to 1975. He was a general in the Army of the Republic of Vietnam , became head of a military junta, and then president after winning a fraudulent election...

 used the Fifth Division to storm into Saigon to save President Ngo Dinh Diem

Ngo Dinh Diem

Ngô Đình Diệm was the first president of South Vietnam . In the wake of the French withdrawal from Indochina as a result of the 1954 Geneva Accords, Diệm led the effort to create the Republic of Vietnam. Accruing considerable U.S. support due to his staunch anti-Communism, he achieved victory in a...

.

However, in the successful coup attempt of 1963

1963 South Vietnamese coup

In November 1963, President Ngô Đình Diệm of South Vietnam was deposed by a group of Army of the Republic of Vietnam officers who disagreed with his handling of the Buddhist crisis and, in general, his increasing oppression of national groups in the name of fighting the communist Vietcong.The...

, Thieu rebelled and his division along with the rest of the III Corps

III Corps (South Vietnam)

III Corps was a corps of the Army of the Republic of Vietnam , the army of the nation state of South Vietnam that existed from 1955 to 1975...

 of Ton That Dinh

Ton That Dinh

Major General Tôn Thất Đính is a retired officer who served in the Army of the Republic of Vietnam . He is best known as one of the key figures in the November 1963 coup that deposed and resulted in the assassination of Ngo Dinh Diem, the first president of the Republic of Vietnam .A favourite of...

, attacked Saigon. Thieu himself led the successful siege on Gia Long Palace. As a result the leading generals made Thieu a general.