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Franklin D. Roosevelt became 32nd President of the United States.
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Representatives of 26 countries sign the Declaration of the United Nations.
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The United States first engages using US warships against Japan in 1942. The United States fist force was in Northern Ireland.
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Filipino and US forces withdraw to Bataan.
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On 1942, Ford patented a way to produce plastic car parts.
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US Congress advises President Roosevelt to relocate anyone of Japanese descent. The reason is so they wouldn't oppose the war effort.
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President Roosevelt orders the internment of all Japanese descendant in the US.
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General Douglas MacArthur takes command of the Allied Forces as he reaches Australia.
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The Battle of Java Sea began on Feb 27. In the battle, thirteen US warships sank and 2 Japanese sank. It ended with a major naval defeat on March 1.
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Adolf Hitler declares "Total War." Total War means unrestricted weapon use.
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Meat rationing ended on May 3rd in the United States.
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He became the 33rd President of the United States.
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The US attacks Okinawa with air crafts.
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Since he committed desertion during WWII. He was executed at age 25. It was the first execution for desertion since the American Civil War.
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Two Atomic Bombs were dropped by the US on Hiroshima and Nagasaki.
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WWII ended on September 2, 1945.
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The Second Red Scare began with the fear of Communism. The United States would scared that Soviet Union would infiltrate spies in the Federal Government.
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The Truman Doctrine is announced by President Truman on March 12, 1947. The Truman Doctrine would help any nation resist Communism.
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President Truman signs National Security Act on September 18, 1947.
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Pease and Baker took the first photo of a gene at the University of Southern California
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The US Air force send a plane for the first nonstop flight around the world. It covered 23,452-miles in 94 hours and it landed at Fort Worth Texas.
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President Truman admits he ordered the Atomic Energy Commission to develop the Hydrogen Bomb
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The United States decides to get involved in the Korean War. The Soviet Union decides to aid North Korea, and the United States would aid South Korea. This would be the first battle of the Cold War between the two nations.
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He became the 34th President of the United States.