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Attack on Pearl Harbor
The Japanese attacked the naval base Pearl Harbor, killing 2,403 Americans and wounding 1,178 of them. -
Manhattan Project Starts
FDR signed an order that created the biggest secret project that the U.S has ever undertaken, the project that developed the atomic bomb. -
D-Day
This was the day that Western Allies attempted to free mainland Europe from Nazi Germany. -
FDR Dies
FDR dies of intracerebral hemorrhage, a condition where ruptured blood vessels bleed into the brain. -
First Atomic Bomb is Tested
The Manhattan Project comes to an end as the first atomic bomb is tested in Alamogordo, New Mexico. -
U.S Bombs Hiroshima and Nagasaki
The U.S dropped the first ever deployed atomic bombs in the two most populous cities of Japan, killing almost 250,000 civilians. -
The U.N is Created
The U.N is created in 1945 after WWII to maintain international peace. -
Truman Doctrine
A speech from President Truman to discourage Greece and Turkey from becoming communist, effectively beginning the Cold War. -
Marshall Plan
A plan giving Western European countries 13 billion dollars to rebuild their economies. -
National Security Act of 1947
This act reorganized foreign policy and military establishment. It also created many federal bodies such as the National Security Council and hired the first Secretary of Defense. -
Berlin Airlift Starts
Western Allies airlifted supplies into Western Berlin after it was cut off by the USSR. -
Berlin Airlift Ends
One of the most important events in the Cold War, after the Berlin Blockade ended, the Western Allies had no doubt that the USSR was an enemy.
