Military history of France during World War II the Allies in several campaigns. These complex opposing forces were called, in a simplistic manner, Vichy French forces and Free French forces. They fought battles all over the world from 1940 to 1945, and sometimes fighting against each other. These forces were composite, made of rebel factions and colonial troops; France controlled a large colonial empire, only second to the British empire. The military participation of the French ground armies, navies and air forces on the Allied side in each theater of World War II (1939–1945) before, during and after the Battle of France, even though it was on various
Declarations of war during World War II 1907 (or Hague II). For the diplomatic maneuvering behind these events, which led to hostilities between nations during World War II, see the article entitled Diplomatic history of World War II. Below is a table showing the outbreak of wars between nations which occurred during World War II. Indicated are the dates (during the immediate build-up to, or during the course of, World War II), from which a "de facto" state of war existed between nations. The table shows both the "Initiator Nation(s)" and the nation at which the aggression was aimed, or "Targeted Nation(s)". Events listed include those in