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FDR signs the Executive Order 9066 which allowed the U.S to define as exclusory zones for the military. Places like Japan, Italy and Germany. -
Agreement to have the first Atomic Bomb signed by FDR, and British Prime Minister, Winston Churchill. -
The first nuclear chain reaction is produced at the University of Chicago in the Manhattan Project, creating fission of the Uranium U-235, by physicists Arthur Compton and Enrico Fermi. -
On January, 4 1944 Ralph Bunche appointed 1st African American official in US State Department. -
The G.I. Bill of Rights is signed into law, providing benefits to veterans. -
Franklin D. Roosevelt sworn-in for an surprising 4th term as US President. -
President Roosevelt, Prime Minister Churchill, and Premier Josef Stalin hold the Yalta Conference in the Soviet Union. -
FDR dies unexpectedly, Harry Truman assumes role as president. -
Bombing of Hiroshima and Nagasaki. -
United States enters the United Nations. -
Creation of the Central Intelligence Agency, the Department of Defense, the Joint Chiefs of Staff, and the National Security Council. -
President Harry Truman signs the Marshall Plan, which authorizes $15 billion in aid for 16 countries. -
Harry S. Truman orders the development of the hydrogen bomb, in response to the detonation of the Soviet Union's first atomic bomb in 1949. -
Limited the presidents to 2 terms -
The Marshall Plan expires after distributing more than $13.3 billion USD in foreign aid to rebuild Europe. -
Truman announces the hydrogen bomb has been developed -
Dwight D. Eisenhower became the 34th president -
Nuclear testing at the Nevada Test Site, United States conducts its first and only nuclear artillery test.