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President Franklin D. Roosevelt signed the executive order 9066 allowing the United States military to define areas as exclusionary zones. These zones affect the Japanese on the West Coast, and Germans and Italians primarily on the East Coast.
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A squadron of B-25 Mitchells took off overloaded from aircraft carriers and bombed mainland Japan without a way to get back.
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Women are now allowed to serve in all branches of the armed services
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United States wins a decisive victory against Japan, destroying 4 aircraft carriers
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On June 20, 1942, the development of the first atomic bomb was signed into agreement between the Prime Minister of Great Britain, Winston Churchill, and President Franklin D. Roosevelt in Hyde Park, New York
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On December 2, 1942, the first nuclear chain reaction was produced at the University of Chicago in the Manhattan Project.
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On January, 15 1943 the world's largest office building, The Pentagon, was dedicated in Arlington, Virginia.
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Churchill, Roosevelt, and Stalin meet in Tehran to discuss WWII.
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Repealed the Chinese Exclusion Act and allowed Chinese to immigrate and become U.S. Citizens.
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On January, 4 1944 Ralph Bunche appointed 1st African American official in US State Department.
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Allied forces invade Normandy (referred to as "D-Day").
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On June 22, 1944 the G.I. Bill of Rights was signed into law, providing benefits to veterans.
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A German surprise attack begins the Battle of the Bulge
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Franklin D. Roosevelt was sworn-in for his 4th term as U.S. President.
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Harry Truman sworn in as the 34th US Vice President
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On April 12, 1945 President Roosevelt died suddenly. Vice President Harry S. Truman assumes the presidency and role as commander in chief of World War II.
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Harry Truman sworn in as the 33rd US President
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United Nations established
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President Truman gave the order for the use of the atomic bomb with the bombing of Hiroshima. Three days later, the second bomb was dropped on Nagasaki, Japan
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United States drops the 1st atomic bomb on Hiroshima, Japan
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United States drops the 2nd atomic bomb on Nagasaki, Japan
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Japan unconditionally surrenders to the United States, ending World War II.
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Philippines, a United States protectorate, gains its independence
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Winston Churchill proclaims "an iron curtain has swept across the continent (Europe)," beginning the Cold War.
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On December 5, 1946 President Harry Truman established the President's Committee on Civil Rights to investigate the status of civil rights in the United States and propose measures to strengthen and protect the civil rights of American citizens.
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The CIA is established
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22nd Amendment passed by Congress
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On April 3, 1948 President Harry Truman signed the Marshall Plan, which authorized $15 billion in aid for 16 countries.
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Truman begins his second inauguration
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The North Atlantic Treaty Organization established by Belgium, Canada, Denmark, France, Great Britain, Iceland, Italy,Luxembourg, the Netherlands, Norway, Portugal, and the United States.
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President Truman ordered the development of the hydrogen bomb, in response to the detonation of the Soviet Union's first atomic bomb in 1949
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Korean War officially starts as North Korea invades South Korea
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United Nations declares war on North Korea
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22nd Amendment added to the Constitution
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The U.S. nuclear submarine USS Nautilus was targeted
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United States detonates the 1st thermonuclear device.
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Dwight D. Eisenhower sworn in as the 34th president of the United States.
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Richard Nixon sworn in as the 36th US Vice President
