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U.S launches an artificial satellite
Explorer 1 -
First american in space
Alan Shepard -
First american orbits earth
Mariner 2 flies past Venus (John Glen Jr) -
Flies past mars
Mariner 4 space probe -
Apollo 11 first manned moon landing
(Neil Armstrong, Buzz Aldrin, Michael Collins) -
Pioneer 7
Pioneer 7 sent toward Jupiter -
First joint space mission
U.S. and Soviet Union launch first joint space mission