premise: The Battle of France never happened.
hypothesis: The Battle of France , also known as the Fall of France , was the German invasion of France and the Low Countries during the Second World War . In six weeks from 10 May 1940 , German forces defeated Allied forces by mobile operations and conquered France , Belgium , Luxembourg and the Netherlands , bringing land operations on the Western Front to an end until 6 June 1944 . Italy entered the war on 10 June 1940 and attempted an invasion of France . German forces occupied Paris unopposed on 14 June after a chaotic period of flight of the French government that led to a collapse of the French army . On 22 June , the Second Armistice at Compiègne was signed by France and Germany , which resulted in a division of France .