Invasion of French Indochina happened on 1940-09-26.
Second French Indochina Campaign happened on 26-03-09.
French invasion of Honolulu happened on 1849-08-22.
French invasion of the Isle of Wight happened in 1545.
French invasion of Russia happened on 1812-12-14.
France ruled it, and this is why it was called "French" Indochina.
The French government you are referring to is the VICHY FRENCH GOVERNMENT which was ruled over by Marshall Petain as a puppet leader for the Nazi Authorities.
The French had fought there from 1946 to 1954; 1st Indochina War or French Indochina War.
The French and the Japanese
France was the only European Nation fighting in the 1st Indochina War (also known as the French Indochina War or French War).
Only as men of the French Foreign Legion during the French Indochina War 1946-1954.
The French Indochina War 1946-1954 (aka 1st Indochina War).
The Vietnamese