Further information: Terminology of the Vietnam War
Various names have been applied to the conflict. Vietnam War is the most commonly used name in English. It has also been called the Second Indochina War and the Vietnam Conflict.
As there have been several conflicts in Indochina, this particular conflict is known by the names of its primary protagonists to distinguish it from others.[56] In Vietnamese, the war is generally known as Kháng chiến chống Mỹ (Resistance War Against America). It is also called Chiến tranh Việt Nam (The Vietnam War).[57]
The primary military organizations involved in the war were, on one side, the Army of the Republic of Vietnam (ARVN) and theU.S. military, and, on the other side, the People's Army of Vietnam (PAVN) (more commonly called the North Vietnamese Army, or NVA, in English language sources), and the National Front for the Liberation of South Vietnam (NLF, more commonly known as the Viet Cong in English language sources), a South Vietnamese communist guerrilla force.
Background to 1949
See also: History of Vietnam, Cochinchina Campaign, Cần Vương, Việt Nam Quốc Dân Đảng, Yên Bái mutiny, Vietnam during World War II and War in Vietnam (1945–46)
France began its conquest of Indochina in the late 1850s, and completed pacification by 1893.[58][59][60] The 1884 Treaty of Huế formed the basis for French colonial rule in Vietnam for the next seven decades. In spite of military resistance, most notably by the Cần Vương of Phan Đình Phùng, by 1888 the area of the current-day nations of Cambodia and Vietnam was made into the colony of French Indochina (Laos was later added to the colony).[61] Various Vietnamese opposition movements to French rule existed during this period, such as the Việt Nam Quốc Dân Đảng who staged the failed Yên Bái mutiny in 1930, but none were ultimately as successful as the Viet Minh common front, which was founded in 1941, controlled by the Indochinese Communist Party, and funded by the U.S. and