the 70's By hanaemann Apr 12, 1970 Beatles break-up Apr 22, 1970 First Earth Day May 22, 1970 Kent State Shooting Massacre Apr 1, 1971 Cigarette ads are banned on TV Jul 1, 1971 18 year olds given right to vote Nov 30, 1971 VCR's introduced Feb 21, 1972 Nixon visits China Jan 22, 1973 Abortion legalized in the US Apr 15, 1973 US pulls out of Vietnam Dec 27, 1973 Endangered species act Apr 4, 1975 Microsoft Founded Apr 1, 1976 First Apple computer launched Mar 25, 1977 Star Wars Released Jul 25, 1978 First test tube baby born Nov 3, 1978 the Greensboro massacre May 1, 1979 Cell phones invented Sep 7, 1979 ESPN starts broadcasting