Definition

1. Proper noun:
   • A historical geopolitical entity: South Vietnam refers to a former country in Southeast Asia that existed from 1954 until 1975. It was established after the Geneva Accords partitioned Vietnam at the 17th parallel following the defeat of French forces. It ceased to exist after its capital, Saigon, fell in April 1975, leading to its defeat and annexation by the Democratic Republic of Vietnam (North Vietnam).

Usage Examples

• Proper noun:
  • The Republic of Vietnam, commonly known as South Vietnam, had its capital in Saigon.
  • Many refugees fled South Vietnam in the final days of the war in 1975.
  • The United States provided significant military and economic aid to South Vietnam during the Vietnam War.

Advanced Usage

• Historical and academic context: The term is used to discuss the Cold War, decolonization, and the Vietnam War era.
  • The political stability of South Vietnam was often challenged by both internal dissent and external pressure.

Variants and Related Words

• Republic of Vietnam (RVN): The official name of the state of South Vietnam.
• North Vietnam: The common name for the Democratic Republic of Vietnam, the opposing state during the war.
• Vietnam War: The prolonged conflict (c. 1955-1975) involving North Vietnam, South Vietnam, the United States, and other allies.

Synonyms

• Republic of Vietnam (formal name).
• RVN (acronym).

Related Phrases

• Fall of Saigon: The event marking the end of the South Vietnamese state in April 1975.
• Army of the Republic of Vietnam (ARVN): The military forces of South Vietnam.

Noun

1. a former country in southeastern Asia that existed from 1954 (after the defeat of the French at Dien Bien Phu) until 1975 when it was defeated and annexed by North Vietnam