10 key historical energy events By Aubrianni101 Jan 1, 1698 First steam engine invented Jan 1, 1752 Nature of electricity Jan 1, 1823 First internal combustion engine Jan 1, 1824 Heat engines Jan 1, 1886 Alternating current energy system Jan 1, 1888 Wind turbine Jan 1, 1890 solar power Jan 1, 1923 Photoelectric cells Jan 1, 1964 Electric power plant
