Timeline of the 1970's By michy7 May 1, 1970 U.S. troops invade Cambodia Period: May 1, 1970 to Jan 1, 1979 timeline project Apr 20, 1971 Supreme court rules unanimously the busing of students may be ordered to achieve racial desgregaton Jan 27, 1973 Vietnam war ends with signing of peace pacts May 15, 1973 Gov. George C Wallace of Alabama is shot by Authur H Bermer at Laurel, M.D. political rally Aug 8, 1974 Richard M. Nixon announces he will resign the next day, first president to do so. Jul 15, 1975 Apollo and Soyuz spacecraft take off for U.S.- Soviet link up in space. May 11, 1976 Ford signs Federal Election Campaign Act May 23, 1977 Scientist reported using bacteria to make insulin. Nov 18, 1978 Jim Jone's followers commit mass suicide in Jonestown, Guyana. May 1, 1979 Oil spills pollute ocean waters in Atlantic and Gulf of Mexico