1970s

1970 Simon & Garfunkel release "Bridge Over Troubled Water" 49 items 1971 Intel releases the 4004 microprocessor 71 items 1972 The Godfather premieres 66 items 1973 Skylab, first US space station, launched 57 items 1974 Rubik's Cube invented 49 items 1975 Microsoft founded 55 items 1976 Concorde begins supersonic passenger service 40 items 1977 Star Wars premieres 36 items 1978 Camp David Accords 27 items 1979 Sony Walkman released 26 items