If someone said, "I was in Indochina", you would most likely reply, "what part?" Meaning Cambodia, or Laos, or South Vietnam, North Vietnam, etc.
Vietnam is to Indochina as Texas is to America (or Texas is to the United States).
Example: "What part of the US are you from?" Reply: "Texas"
The French had fought there from 1946 to 1954; 1st Indochina War or French Indochina War.
Two: 1st Indochina War (French Indochina War) & 2nd Indochina War (America's Vietnam War).
The US aided France during the 1st Indochina War, aka French Indochina War, aka the French War.
WWII, it was called French Indochina then.
No, Unless by 'vietnam war' you mean the Japanese conquest of French Indochina during WWII .
French Indochina War or 1st Indochina War.
The 20th century Vietnam originated in 1954 as North & South VN; from the 1st Indochina War/aka French Indochina War. The Vietnam of the 21st century originated in 1975; from the 2nd Indochina War/aka American Vietnam War (or US Vietnam War).
It was the result of the 1st Indochina War, aka French Indochina War (1946-1954).
There were 3 wars involving Vietnam in the 20th Century: 1. Guerilla warfare against the Japanese during WWII (1941-1945), with US assistance. 2. The French Indochina War (1946-1954); French Vietnam War. 3. The US Indochina War (1961-1973); US Vietnam War.
The French Vietnam War was 1946-1954 (also known as the 1st Indochina War). The US Vietnam War was 1961-1973 (also known as the 2nd Indochina War).
The Japanese occupied French Indochina (now separated into Vietnam, Laos & Cambodia) during the Second World War.
The Vietnam War