time travel By jakecolumbus26 Nov 3, 1957 first animal in orbit Jan 31, 1958 first successful american satellite Mar 8, 1965 first spacewalk Jan 27, 1967 first us space tragedy Oct 11, 1968 first manned apollo mission Jul 21, 1969 Neil armstrong walked on the moon Apr 13, 1970 launce of apollo 13 Jun 7, 1971 first space station Jul 30, 1971 first rover on the moon May 14, 1973 first american space station launched Jul 17, 1975 First International Space Rendezvous Jul 20, 1976 First U.S. Mars Landing Sep 3, 1977 Voyagers 1 and 2 Launched Apr 12, 1981 First Space Shuttle Launch Nov 11, 1982 First Operational Space Shuttle Mission Jun 18, 1983 First American Woman in Space Jan 28, 1986 Space Shuttle Challenger Explosion Feb 19, 1986 Mir Space Station Launched Feb 7, 1987 First Untethered Spacewalk