- The European front encompassed Western Europe, Eastern Europe, North Africa, and the Mediterranean Sea.
- Some key events on the European front included the Battle of Britain, the invasion of Normandy, the siege of Stalingrad, and the Battle of Berlin.
Pacific front:
- The Pacific front covered the Pacific Ocean and surrounding areas, including Southeast Asia, Oceania, and East Asia.
- Notable events in the Pacific front included the attack on Pearl Harbor, the Doolittle Raid, the battle of Midway, and atomic bombings of Hiroshima and Nagasaki.