This document discusses several major turning points of World War 2: [1] Appeasement in 1938 and its significance; [2] The Fall of France in June 1940 which saw a quick defeat of France in less than three weeks; [3] Operation Barbarossa in June 1941 where Nazi Germany invaded the Soviet Union, opening a deadly two front war. It then analyzes the significance of Pearl Harbor which brought the US into the war in 1941 and the Allied D-Day invasion in 1944 as the largest amphibious invasion in history. The final turning point discussed is the dropping of atomic bombs on Japan in 1945 which marked the end of the war.