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Germany launches the Blitzkrieg, a lightning-fast military campaign, to invade Poland, marking the start of World War II. The Blitzkrieg strategy involves rapid advances using tanks, aircraft, and infantry. -
The Japanese attack on Pearl Harbor in Hawaii leads to the United States' entry into World War II. This surprise attack resulted in significant damage to the U.S. Pacific Fleet. -
The Battle of Stalingrad becomes a turning point in WWII as Soviet forces successfully defend the city against a massive German assault. This battle results in heavy casualties for both sides and a severe defeat for the Germans. -
Allied forces launch Operation Overlord, also known as D-Day, with the invasion of Normandy, France. This massive amphibious assault marked the beginning of the liberation of Western Europe from Nazi occupation. -
Victory in Europe (VE) Day is celebrated as Nazi Germany officially surrenders, bringing an end to the war in Europe. The Allied forces achieve victory in the European Theater. -
The United States drops an atomic bomb on Hiroshima, Japan, leading to immense destruction and loss of life. This event accelerates Japan's surrender, ultimately ending World War II.