|  | Year | Event(s) | 
| 1 | 1902 | French physicist George Claude invents neon light.The birth of the Teddy Bear.The lie detector or polygraph machine is invented by James Mackenzie.Willis Carrier invents the air conditioner.
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| 2 | 1903 | Bottle-making machinery invented by Michael J. Owens.Edward Binney and Harold Smith co-invent crayons.Mary Anderson invents windshield wipers.The Wright brothers invent the first gas motored and manned airplane.William Coolidge invents ductile tungsten used in lightbulbs.
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| 3 | 1904 | Benjamin Holt invents a tractor.Teabags invented by Thomas Suillivan.
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| 4 | 1905 | Albert Einstein published the Theory of Relativity and made famous the equation, E = mc2.
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| 5 | 1906 | William Kellogg invents Cornflakes.
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| 6 | 1907 | Austin Powder Co building explodes at its site at the Five Mile Lock on the Cuyahoga River.  That location is presently under the Harvard-Denison Bridge.Color photography invented by Auguste and Louis Lumiere.The very first piloted helicopter was invented by Paul Cornu.
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| 7 | 1908 | Cellophane invented by Jacques E. Brandenberger.Fritz Haber invents the Haber Process for making artificial nitrates.J W Geiger and W Müller invent the geiger counter.Model T automobile first sold.The gyrocompass invented by Elmer A. Sperry.
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| 8 | 1909 | Instant coffee invented by G. Washington.William Taft president of the USA 1909-1913.
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| 9 | 1910 | George V.  Ruler of England 1910-1936.  House of Windsor (name adopted Jul 17, 1917): 2nd son of Edward VII, married Princess Mary of Teck.  Accession, Jan 20, abdication, Dec 10.Georges Claude displayed the first neon lamp to the public on December 11, 1910, in Paris.Thomas Edison demonstrated the first talking motion picture.
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| 10 | 1911 | Charles Franklin Kettering invents the first automobile electrical ignition system.
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| 11 | 1912 | Clarence Crane created Life Savers candy in 1912.Motorized movie cameras invented, and replaced hand-cranked cameras.The first tank patented by Australian inventor De La Mole.
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| 12 | 1913 | Gideon Sundback invents the modern zipper.Mary Phelps Jacob invents the bra.The crossword puzzle invented by Arthur Wynne.The Merck Chemical Company patented, what is now known as, ecstasy.Woodrow Wilson president of the USA 1913-1921.
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| 13 | 1914 | Garrett A. Morgan invents the Morgan gas mask.
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| 14 | 1915 | Eugene Sullivan and William Taylor co-invented Pyrex in New York City.
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| 15 | 1916 | Radio tuners invented that received different stations.Stainless steel invented by Henry Brearly.
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| 16 | 1918 | Charles Jung invented fortune cookies.
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| 17 | 1919 | Short-wave radio invented.The arc welder invented.The pop-up toaster invented by Charles Strite.
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