USA energy events By Treyfriguglietti Jun 15, 1752 Ben Franklin Discovers Electricity Jan 1, 1800 First battery by Allessandro Volta Sep 30, 1821 First Electric motor is invented Sep 9, 1877 Thomas Edison invents phonograph Sep 30, 1878 First electric lightbulb Jul 10, 1887 First electricity-making turbine is installed Sep 9, 1956 Telephone cable invented Jan 1, 1974 Ethernet invented Jan 1, 1976 Apple 1 computer Jan 1, 1994 First dvd player, Tantung Company
