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Executive order 9066 is signed.
President Franklin D. Roosevelt signs executive order 9066 allowing the United States military to define areas as exclusionary zones -
Agreement for 1st Atomic Bomb is signed.
The development of the first atomic bomb is signed into agreement between the Prime Minister of Great Britain, Winston Churchill, and President Franklin D. Roosevelt -
Manhattan Project
The first nuclear chain reaction is produced at the University of Chicago in the Manhattan Project -
The Jefferson Memorial
he Jefferson Memorial in Washington, D.C. is dedicated on the 200th anniversary of Thomas Jefferson's birth -
The G.I. Bill of Rights.
The G.I. Bill of Rights is signed into law, providing benefits to veterans -
Franklin D. Roosevelt becomes President of US.
Franklin D. Roosevelt became the 32nd president of the United States -
Death of President
President Roosevelt dies suddenly -
Harry S. Truman
Truman becomes president after Roosevelts sudden death. -
Use of Atomic Bomb
President Harry S. Truman gives the go-ahead for the use of the atomic bomb with the bombing of Hiroshima. -
United States enters the United Nations.
United States Senate approves the entry of the United States into the United Nations. -
Committee on Civil Rights
Truman establishes the President's Committee on Civil Rights to investigate the status of civil rights in the United States -
Marshall Plan.
authorizes $15 billion in aid for 16 countries. -
Twenty-second Amendment
The Twenty-second Amendment to the United States Constitution, limiting Presidents to two terms, is ratified. -
Expiration of The Marshall Plan.
expires after distributing more than $13.3 billion USD in foreign aid to rebuild Europe. -
Dwight D. Eisenhower became the 34th president
Eisenhower becomes the 34th President of the United States. -
Nuclear Test.
Nuclear testing at the Nevada Test Site, United States conducts its first and only nuclear artillery test.