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Start of WW2
The Invasion of Poland, also known as the September Campaign, or the 1939 Defensive War in Poland, and alternatively the Poland Campaign or Fall Weiss in Germany -
The invasion of france
The Battle of France, also known as the Fall of France, was the German invasion of France and the Low Countries during the Second World War. -
Pearl Harbor
The attack on Pearl Harbor, also known as the Battle of Pearl Harbor, the Hawaii Operation or Operation AI by the Japanese Imperial General Headquarters, and Operation Z during planning -
D-Day
The Normandy landings were the landing operations on Tuesday, 6 June 1944 of the Allied invasion of Normandy in Operation Overlord during World War II. -
Atomic bombs first dropped
The United States, with the consent of the United Kingdom as laid down in the Quebec Agreement, dropped nuclear weapons on the Japanese cities of Hiroshima and Nagasaki in August 1945, during the final stage of World War II