The German offensive against the Low Countries and France began on 10 May and by the middle of May German forces were on French soil. By the start of June, British forces were evacuating from the pocket in Northern France. On 10 June 1940, Italy declared war against the French and British. Ten days later, the Italian army invaded France. On 24 June 1940, after the Fall of France, Italy and France signed the Franco-Italian Armistice, two days after the cessation of hostilities between France and Germany, agreeing upon an Italian zone of occupation.