1774 Joseph Priestley, English theologian, chemist and author discovers oxygen by isolating it in its gaseous state
1793 France becomes 1st country to use the metric system
1893 Henry Perky patents a machine for the preparation of cereals for food, otherwise known as shredded wheat
1914 1st electric traffic light installed in the USA on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio
1864 Comet C/1864 N1 (Tempel) approaches within 0.0964 AUs of Earth
1876 Thomas Edison is granted the patent for Autographic Printing (US Patent 180,857)
1856 Anthony Fass patents accordion
1865 Joseph Lister performs 1st antiseptic surgery
1877 Thomas Edison completes 1st model for the phonograph, a device that recorded sound onto tinfoil cylinders
1797 Comet C/1797 P1 (Bouvard-Herschel) approaches 0.0879 AUs of Earth
1870 Fred Goldsmith demonstrates curve ball isn’t an optical illusion
1989 A solar flare from the Sun creates a geomagnetic storm that affects micro chips, leading to a halt of all trading on Toronto’s stock market.
1843 Charles Thurber patents a typewriter
1951 Jongbloed in Paris demonstrates artificial heart
1859 A geomagnetic storm causes the Aurora Borealis to shine so brightly that it is seen clearly over parts of USA, Europe, and even as far afield as Japan.