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Franklin D. Roosevelt signs an executive order to confining over 100,000 Japanese Americans, the majority being U.S. citizens, to the West Coast in relocation camps.
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The United States gave Japan their first major defeat of the war.
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Winston Churchill and Franklin Roosevelt sign off on the development of the first atomic bomb.
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The U.S. Marines conduct the first American offensive naval battle at Guadalcanal.
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The Jefferson Memorial is dedicated on Thomas Jefferson's 200th birthday.
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Operation Overload is planned by Winston Churchill, Josef Stalin, and Franklin Roosevelt.
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American and Allied troops storm the beaches of France in what is known as D-Day.
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Franklin Roosevelt wins re-election for fourth term as President.
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U.S. troops land in Iwo Jima/
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1,250 American bombers attack Berlin.
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U.S. troops invade Okinawa.
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Vice President Harry Truman becomes President after the death of President Roosevelt.
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Germany surrenders in Reims, France ending WWII in Europe.
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The Trinity Test, the first atomic bomb, was tested in New Mexico.
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President Truman signs off on bombing Hiroshima.
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U.S. drops the second bomb on Nagasaki.
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Japan surrenders in WWII after the bombing of Nagasaki.
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The United Nations meet for the first time. -
The National Basketball Association is founded. -
The United States gives the Philippines their independence.
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Jackie Robinson debuts in the MLB for the Dodgers, becoming the first colored player to play in the MLB.
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Theodore Roosevelt State Park is constituted.
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President Truman implements the Truman Doctrine.
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President Truman signs Executive Order 9981 terminating segregation.
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Presidential Truman defeats Thomas Dewey in his re-election for President.
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James Gallagher completes the first non-stop flight around the globe.
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Western Europe, U.S., and Canada form the North American Treaty Organization.
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American population is over 150 million for first time. -
North Korea invades South Korea to start the Korean War.
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Dwight Eisenhower goes to Korea in an attempt to end the conflict.
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Dwight Eisenhower goes to Korea in an attempt to end the conflict.
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Francis Crick and James Watson publish their findings of the DNA double helix.
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The Korean War ends
