1970's Timeline By 3024023 Jan 2, 1971 Cigarette advertisements banned in the US Oct 1, 1971 Walt Disney World opens in Orlando Jan 22, 1973 Roe v. Wade decision passed by the Supreme Court Jun 9, 1973 Secretariat wins the Belmont Stakes to win the Triple Crown Oct 10, 1973 Vice President Spiro Agnew resigns Feb 4, 1974 Heiress Patty Hearst kidnapped in San Francisco Mar 8, 1974 Brady Bunch aired its last episode Jun 20, 1975 The movie Jaws opens in theatres Oct 10, 1976 Giants stadium opened in east Rutherford Nj 1977 Reggie Jackson joined the NY Yankees Sep 7, 1977 US Senate votes to return the Panama Canal back to Panama Mar 28, 1979 The accident at Three Mile Island nuclear Power plant Jul 12, 1979 The day disco died Nov 4, 1979 The Iranian hostage Crisis begins Dec 20, 1979 Federal government approves a $1.5 billion loan to Chrysler as a bailout Jan 20, 1980 The Pittsburg Steelers win their 4th Super Bowl