The timeline of events leading to World War II 1939 and major wartime operations shaped the course of modern history. World War II was marked by significant military operations including the impact of Operation Dynamo at Dunkirk and the strategies and outcomes of the Normandy Landings D-Day, ultimately concluding with the atomic bombings of Japan.
• The war began with Hitler's aggressive expansion across Europe, starting with the invasion of Czechoslovakia and culminating in the invasion of Poland
• Critical military operations like Dunkirk evacuation saved hundreds of thousands of Allied troops
• D-Day landings proved to be a turning point, with over 156,000 troops successfully landing in Normandy
• The war in the Pacific theater concluded with the atomic bombings of Hiroshima and Nagasaki
• Nazi Germany's failed invasion of Russia demonstrated the importance of weather and geography in military strategy