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She was arrested for refusing to move to the back of a bus and give her seat to a white passenger in Montgomery, Alabama.
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US Supreme Court rules race separation on buses in Alabama unconstitutional.
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President Dwight D. Eisenhower orders US troops to support integration of nine black students at Little Rock Central High School in Arkansas.
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Sputnik 1 was the first artificial Earth satellite.
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US Supreme Court orders the all-white Central High School in Little Rock, Arkansas to integrate.
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Luna 1 (Mechta) becomes 1st craft to leave Earths gravity.
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He became the first human being to travel into space.
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She became the first woman to travel into space.
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He became the first person to walk in space, leaving his spacecraft Voskhod 2 for 12 minutes.
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The United States' Apollo 11 was the first crewed mission to land on the Moon.
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He became the first US President to visit China.
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US begins to evacuate its citizens from Saigon in Operation Frequent Wind in response to advancing North Vietnamese forces, bringing an end to US involvement in the war.