Fought from May to June 1940, the Battle of France was a major early World War II clash between Germany and Allied forces. Germany used its fast-moving Blitzkrieg tactics to bypass France’s Maginot Line through the Ardennes forest, quickly surrounding Allied troops. This led to the dramatic Dunkirk evacuation. France ultimately surrendered to Germany on June 22, 1940, marking a critical shift in the war. | History In Pictures

German Army's Blitzkrieg: Mastering Mobile Warfare in the 20s Blitzkrieg, or "lightning war," was a military strategy developed by the German Army in the 1920s and perfected during World War II. Rooted in lessons learned from World War I, it emphasized speed and surprise to achieve quick victories over adversaries. The key elements of Blitzkrieg included the use of fast-moving armored divisions, air support, and coordinated attacks that overwhelmed enemy defenses. General Heinz Guderian was inst