What was the Battle of France?

The Battle of France, otherwise called the Fall of France, was the German intrusion of France and the Low Countries during the Second World War. On 3 September 1939 France had announced war on Germany, following the German attack of Poland. Toward the beginning of September 1939, France started the constrained Saar Offensive

It was the German invasion of France and the Low countries dering the second World war.