To keep France free, 400,000 English soldiers have manned the battlefields. Germany's strength is too great and pushes the British to the coast town of Dunkirk.
Early in the war, the Germans decide they need to guarantee access to the Norwegian port of Narvik to ensure their supplies of Swedish iron ore. The British, however, send destroyers to up-end the German plan.
After invading France, Hitler is planning to cross the Channel. His only obstacle is the Royal Air Force. Throughout the summer of 1940, both sides lose an incredible number of daring flyers.
After British forces withdrew in defeat from Greece to the island of Crete in early 1941, they were soon fighting German invasion armies again. This time, 5,000 of Hitler's elite paratroopers landed to complete their conquest in the Mediterranean.