The Battle of France, a pivotal campaign in the early stages of World War II, unfolded from May 10 to June 25, 1940. It pitted the German Wehrmacht against the Allied forces of France, Great Britain, Belgium, the Netherlands, and their respective allies. The campaign witnessed a swift and decisive German victory, marked by innovative military tactics and strategic breakthroughs. The outcome resulted in the fall of France, the occupation of a significant portion of its territory, and the establishment of the Vichy regime in the unoccupied south. The Battle of France significantly altered the course of the war in Western Europe, leaving Great Britain to stand alone against the Axis powers.