French Indochina refers to France's colonial control over Vietnam, Cambodia, and Laos from the late 1800s to 1945. [1] Vietnam first gained independence from China in 938 CE and developed a sense of national identity, but fell under French control in the late 1800s. [2] France established protectorates and full colonial control over the region until its defeat in 1945, after which Vietnam attempted to gain full independence under Ho Chi Minh but faced war with France and later involvement from the US. [3] The region was eventually reunified in 1975 under communist rule.