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President Truman approves hydrogen bomb construction
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A war to "liberate" the North from the communists
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He elected President
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DNA Double Helix Discovered
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Ending racial segregation in public schools.
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Rosa Parks refuses to give up her seat to a white man
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Him and many other civil rights leaders stood together to fight against racial discrimination and segregation.
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Blocked from integrating into Little Rock Central High School
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She was escorted into school by four armed federal marshals