After the surrender of [[Belgium]], French and [[British]] forces in Belgium retreated to Dunkirk, a town on the northern coast of [[France]]. Here they held off the Germans while more than 300,000 Allied troops waded out to British rescue-vessels in late May 1940. The tiny British [[Royal Air Force]] formed aerial umbrella to hold off the German bombers. | After the surrender of [[Belgium]], French and [[British]] forces in Belgium retreated to Dunkirk, a town on the northern coast of [[France]]. Here they held off the Germans while more than 300,000 Allied troops waded out to British rescue-vessels in late May 1940. The tiny British [[Royal Air Force]] formed aerial umbrella to hold off the German bombers. |