French Indochina (1913)
Vietnamese Independence (950 - 1859) French Colonization (1874-1954) The French-Indochina War (1945-1954) Civil War (1954-1975) Vietnam since 1975.
So Napoleon III invaded southern China and named it "Cochinchine". So when we were young children, we were told that “Cochinchine” was equivalent to a little beyond the end of the world.
Indochina began a revolt against France in 1954: "Vietnam War". I suffered myself being an undergraduate student at Stony Brook University in early 70’s.
Nobody understood why the US got into this nationalist conflict; and France handed it to the States on a "silver platter". It was the greatest humiliation that the US has ever had in its history ... for being nosy!
All this peninsula is today Malaysia, Cambodia, Laos, Vietnam.