The first battles were fought in the villages and countryside in South Vietnam, and the recording of their dates and locations can only be found in early writings during the US Military adviser days during President Eisenhower's administration in 1955.
See: Battle of Long Tan
For a start, obtain the book titled, "VIETNAM ORDER OF BATTLE", By Shelby L. Stanton
Overall it was a battle between South Vietnam and North Vietnam.
Vietnam was a "hot" battle of the "Cold War". The Korea was the first "hot" battle of the "Cold War."
Vietnam was a "hot" battle of the cold war.
Battle for saigon
Korea was the FIRST "Hot" battle of the Cold War. Vietnam was the SECOND "Hot" battle of the Cold War. The Communists lost (or stalemated) with the first battle, but won the second battle. The communists were contained in Korea. They expanded in Vietnam.The policy of containment in Vietnam was a US foreign policy to contain and isolate the spread of communism to neighboring countries. If communism were not contained in North Vietnam, then South Vietnam, Laos, Cambodia, and Thailand would inevitably become communist as well.
Vietnam was a hot battle of the cold war.
1955 South Vietnam.
Saigon
Unless the battle was "newsworthy", common firefights (battles) were not normally acknowledged by the media. Translation: Vietnam's "first" or "second" battle has probably been lost to history.
The Cold War; Vietnam was a "hot" battle of the cold war.