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South Vietnam

South Vietnam, officially the Republic of Vietnam (RVN; Vietnamese: Việt Nam Cộng hòa; VNCH, French: République du Viêt Nam), was a country in Southeast Asia that existed from 1955 to 1975, the period when the southern portion of Vietnam was a member of the Western Bloc during part of the Cold War after the 1954 division of Vietnam. It first received international recognition in 1949 as the State of Vietnam within the French Union, with its capital at Saigon (renamed to Ho Chi Minh City in 1976), before becoming a republic in 1955. South Vietnam was bordered by North Vietnam (Democratic Republic of Vietnam) to the north, Laos to the northwest, Cambodia to the southwest, and Thailand across the Gulf of Thailand to the southwest. Its sovereignty was recognized by the United States and 87 other nations, though it failed to gain admission into the United Nations as a result of a Soviet veto in 1957.[2][3] It was succeeded by the Republic of South Vietnam in 1975. In 1976, the Republic of South Vietnam and North Vietnam merged to form the Socialist Republic of Vietnam.

This article is about the former country. For its geographical region, see Southern Vietnam.

Republic of Vietnam
Việt Nam Cộng hòa (Vietnamese)
République du Viêt Nam (French)

Vacant (Military junta)

Vacant

26 October 1955

1 November 1955

2 November 1963

27 January 1973

30 April 1975

173,809 km2 (67,108 sq mi)

c. 12 million

16,258,334

19,582,000

93.55[a]/km2 (242.3/sq mi)

right

Việt Nam Cộng hòa

越南共和

The end of the Second World War saw anti-Japanese Việt Minh guerrilla forces, led by communist fighter Ho Chi Minh, proclaiming the establishment of the Democratic Republic of Vietnam in Hanoi in September 1945.[4] In 1949, during the First Indochina War, the French formed the State of Vietnam, a rival government of anti-communist Vietnamese politicians in Saigon, led by former emperor Bảo Đại. A 1955 referendum on the state's future form of government was widely marred by electoral fraud and resulted in the deposal of Bảo Đại by Prime Minister Ngô Đình Diệm, who proclaimed himself president of the new republic on 26 October 1955.[5] After the 1954 Geneva Conference, it abandoned its claims to the northern, Việt Minh-controlled part of the country, and established its sovereignty over the southern half of Vietnam consisting of Cochinchina (Nam Kỳ), a former French colony; and parts of Annam (Trung Kỳ), a former French protectorate. Diệm was killed in a CIA-backed military coup led by general Dương Văn Minh in 1963, and a series of short-lived military governments followed. General Nguyễn Văn Thiệu then led the country after a US-encouraged civilian presidential election from 1967 until 1975.


The beginnings of the Vietnam War occurred in 1955 with an uprising by the newly organized National Liberation Front for South Vietnam (Việt Cộng), armed and supported by North Vietnam, with backing mainly from China and the Soviet Union. Larger escalation of the insurgency occurred in 1965 with American intervention and the introduction of regular forces of Marines, followed by Army units to supplement the cadre of military advisors guiding the Southern armed forces. A regular bombing campaign over North Vietnam was conducted by offshore US Navy airplanes, warships, and aircraft carriers joined by Air Force squadrons through 1966 and 1967. Fighting peaked up to that point during the Tet Offensive of February 1968, when there were over a million South Vietnamese soldiers and 500,000 US soldiers in South Vietnam. What started as a guerrilla war eventually turned into a more conventional fight as the balance of power became equalized. An even larger, armored invasion from the North commenced during the Easter Offensive following US ground-forces withdrawal, and had nearly overrun some major southern cities until being beaten back.


Despite a truce agreement under the Paris Peace Accords, concluded in January 1973 after five years of on-and-off negotiations, fighting continued almost immediately afterwards. The regular North Vietnamese army and Việt-Cộng auxiliaries launched a major second combined-arms conventional invasion in 1975. Communist forces overran Saigon on 30 April 1975, marking the end of the Republic of Vietnam. On 2 July 1976, the North Vietnam-controlled Republic of South Vietnam and the Democratic Republic of Vietnam (North Vietnam) merged to form the Socialist Republic of Vietnam.

Cochinchina

Provisional Central Government of Vietnam

State of Vietnam

Ngô Đình Diệm

1975–76 (Chính phủ Cách mạng lâm thời Cộng hoà miền Nam Việt Nam)

Provisional Revolutionary Government of the Republic of South Vietnam

(ARVN)

Army of the Republic of Vietnam

(RVNAF)

Republic of Vietnam Air Force

(RVNN)

Republic of Vietnam Navy

(RVNMD)

Republic of Vietnam Marine Division

The Republic of Vietnam Military Forces (RVNMF; Vietnamese: Quân lực Việt Nam Cộng hòa – QLVNCH), was formally established on 30 December 1955.[30] Created out from ex-French Union Army colonial Indochinese auxiliary units (French: Supplétifs), gathered earlier in July 1951 into the French-led Vietnamese National Army – VNA (Vietnamese: Quân Đội Quốc Gia Việt Nam – QĐQGVN), Armée Nationale Vietnamiènne (ANV) in French, the armed forces of the new state consisted in the mid-1950s of ground, air, and naval branches of service, respectively:


Their roles were defined as follows: to protect the sovereignty of the free Vietnamese nation and that of the Republic; to maintain the political and social order and the rule of law by providing internal security; to defend the newly independent Republic of Vietnam from external (and internal) threats; and ultimately, to help reunify Vietnam.


The French ceased training the QLVNCH in 1956 and training passed to American advisers who progressively restructured the military along US military lines.[31]: 254–5 


The country was divided from north to south into four corps tactical zones: I Corps, II Corps, III Corps, IV Corps and the Capital Military District in and around Saigon.


At the time of signing of the Paris Peace Accords, the South Vietnamese government fielded the fourth largest military force in the world as a result of the American Enhance and Enhance Plus programs with approximately one and one-half million troops in uniform. The lack of sufficient training and dependence on the U.S. for spare parts, fuel, and ammunition caused maintenance and logistical problems. The impact of the 1973 oil crisis, a faltering economy, inflation and reduced US aid led to a steady decline in South Vietnamese military expenditure and effectiveness.[32]: 28 [33]: 83 

-TV (Truyền hình Việt Nam-TV) on Channel 9, featuring Vietnamese-language shows, news, and special announcements from Saigon. This entirely Vietnamese language channel catered to the Vietnamese populace.

THVN

on Channel 11, operated by Armed Forces Radio and Television Service (now American Forces Network), catered to US troops in South Vietnam. Broadcasting entirely in English, it relayed popular US-made shows like The Ed Sullivan Show and The Tonight Show Starring Johnny Carson, and various sports games like the World Series. It also broadcast news and special announcements from the American government and military commanders.

AFVN-TV

Geography[edit]

The South was divided into coastal lowlands, the mountainous Central Highlands (Cao-nguyen Trung-phan) and the Mekong Delta. South Vietnam's time zone was one hour ahead of North Vietnam, belonging to the UTC+8 time zone with the same time as the Philippines, Brunei, Malaysia, Singapore, China, Taiwan] and Western Australia.


Apart from the mainland, the Republic of Vietnam also administered parts of the Paracels and Spratly Islands. China seized control of the Paracels in 1974 after the South Vietnamese navy attempted an assault on PRC-claimed islands.

Leaders of South Vietnam

Thanh Niên Hành Khúc

History of Vietnam

Overseas Vietnamese

(in English) (archived from the original on 2009-03-25).

The Constitution of the Republic of Vietnam 1956

The Constitution of the Republic of Vietnam 1967

(in Vietnamese) (archived 5 June 2020)

HIẾN PHÁP VIỆT NAM CỘNG HOÀ 1967

Timeline of NVA invasion of South Vietnam