1970s By Kadell Pearce May 16, 1972 Health Hazards on cigarette packaging Jul 3, 1972 First successful video game, Pong was released Sep 1, 1973 Cell Phone invented Oct 20, 1973 Sydney Opera House opened Nov 22, 1973 ACDC performed in Sydney Apr 8, 1974 Australia qualified for the first FIFA World Cup Aug 16, 1974 Rubik's Cube invented Sep 19, 1974 Signs switched from imperial to metric Dec 21, 1974 Cyclone Tracy Jul 5, 1975 Tasman bridge disaster Apr 1, 1976 Apple was founded Jan 30, 1977 Kerry Packer started World series cricket Aug 16, 1977 Elvis Died
