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Year |
Event(s) |
1 | 1897 | - William McKinley president of the USA 1897-1901. William McKinley dies in Buffalo, NY, 1901.
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2 | 1898 | - Edwin Prescott patents the roller coaster.
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3 | 1899 | - J.S. Thurman patents the motor-driven vacuum cleaner.
- I.R. Johnson patents the bicycle frame.
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4 | 1900 | - The zeppelin invented by Count Ferdinand von Zeppelin.
- Charles Seeberger redesigned Jesse Reno's escalator and invented the modern escalator.
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5 | 1901 | - King Camp Gillette invents the double-edged safety razor.
- The first radio receiver, successfully received a radio transmission.
- Hubert Booth invents a compact and modern vacuum cleaner.
- Edward VII. Ruler of England 1901-1910. House of Saxe-Coburg and Gotha: Eldest son of Victoria, married Alexandra, Princess of Denmark.
- Theodore Roosevelt president of the USA 1901-1909. Theodore Roosevelt, vice president under William McKinley, sworn in as president upon death of McKinley.
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6 | 1902 | - Willis Carrier invents the air conditioner.
- French physicist George Claude invents neon light.
- The lie detector or polygraph machine is invented by James Mackenzie.
- The birth of the Teddy Bear.
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7 | 1903 | - Edward Binney and Harold Smith co-invent crayons.
- Bottle-making machinery invented by Michael J. Owens.
- The Wright brothers invent the first gas motored and manned airplane.
- Mary Anderson invents windshield wipers.
- William Coolidge invents ductile tungsten used in lightbulbs.
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8 | 1904 | - Teabags invented by Thomas Suillivan.
- Benjamin Holt invents a tractor.
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9 | 1905 | - Albert Einstein published the Theory of Relativity and made famous the equation, E = mc2.
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10 | 1906 | - William Kellogg invents Cornflakes.
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11 | 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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12 | 1908 | - The gyrocompass invented by Elmer A. Sperry.
- Cellophane invented by Jacques E. Brandenberger.
- Model T automobile first sold.
- J W Geiger and W Müller invent the geiger counter.
- Fritz Haber invents the Haber Process for making artificial nitrates.
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13 | 1909 | - William Taft president of the USA 1909-1913.
- Instant coffee invented by G. Washington.
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14 | 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.
- Thomas Edison demonstrated the first talking motion picture.
- Georges Claude displayed the first neon lamp to the public on December 11, 1910, in Paris.
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15 | 1911 | - Charles Franklin Kettering invents the first automobile electrical ignition system.
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16 | 1912 | - Motorized movie cameras invented, and replaced hand-cranked cameras.
- The first tank patented by Australian inventor De La Mole.
- Clarence Crane created Life Savers candy in 1912.
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17 | 1913 | - Woodrow Wilson president of the USA 1913-1921.
- The crossword puzzle invented by Arthur Wynne.
- The Merck Chemical Company patented, what is now known as, ecstasy.
- Mary Phelps Jacob invents the bra.
- Gideon Sundback invents the modern zipper.
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18 | 1914 | - Garrett A. Morgan invents the Morgan gas mask.
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19 | 1915 | - Eugene Sullivan and William Taylor co-invented Pyrex in New York City.
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20 | 1916 | - Radio tuners invented that received different stations.
- Stainless steel invented by Henry Brearly.
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21 | 1918 | - Charles Jung invented fortune cookies.
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22 | 1919 | - The pop-up toaster invented by Charles Strite.
- Short-wave radio invented.
- The arc welder invented.
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23 | 1920 | - The tommy gun patented by John T Thompson.
- The Band-Aid invented by Earle Dickson
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24 | 1921 | - Warren Harding president of the USA 1921. Warren Harding dies of an embolism in San Francisco. He had taken ill on 31 Jul 1921.
- Calvin Coolidge president of the USA 1921-1929. Calvin Coolidge, vice president under Warren Harding, sworn in as president the day after Harding dies.
- Artificial life begins -- the first robot built.
- John Larson, a University of California medical student, invented the modern lie detector (polygraph), used by police since 1924.
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25 | 1922 | - Insulin invented by Sir Frederick Grant Banting.
- The first 3-D movie (spectacles with one red and one green lens) is released.
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26 | 1923 | - Garrett A. Morgan invents a traffic signal.
- The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin.
- John Harwood invented the self-winding watch.
- Clarence Birdseye invents frozen food.
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27 | 1924 | - The dynamic loudspeaker invented by Rice and Kellogg.
- Notebooks with spiral bindings invented.
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28 | 1925 | - The mechanical television a precursor to the modern television, invented by John Logie Baird.
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29 | 1926 | - Robert H. Goddard invents liquid-fueled rockets.
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30 | 1927 | - JWA Morrison invents the first quartz crystal watch.
- Philo Taylor Farnsworth invents a complete electronic TV system.
- Technicolor invented.
- Erik Rotheim patents an aerosol can.
- Warren Marrison developed the first quartz clock.
- Philip Drinker invents the iron lung.
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31 | 1928 | - Scottish biologist Alexander Fleming discovers penicillin.
- Bubble gum invented by Walter E. Diemer.
- Jacob Schick patented the electric shaver.
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32 | 1929 | - Herbert Hoover president of the USA 1929-1933.
- American, Paul Galvin invents the car radio.
- Yo-Yo re-invented as an American fad.
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33 | 1930 | - Scotch tape patented by 3M engineer Richard G. Drew.
- The "differential analyzer", or analog computer invented by Vannevar Bush at MIT in Boston.
- Frank Whittle and Dr Hans von Ohain both invent a jet engine.
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34 | 1931 | - Harold Edgerton invented stop-action photography.
- Germans Max Knott and Ernst Ruska co-invent the electron microscope.
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35 | 1932 | - Polaroid photography invented by Edwin Herbert Land.
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36 | 1933 | - Franklin Roosevelt president of the USA 1933-1945.
- Frequency modulation (FM radio) invented by Edwin Howard Armstrong.
- Stereo records invented.
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37 | 1934 | - Charles Darrow claims he invented the game Monopoly.
- Joseph Begun invents the first tape recorder for broadcasting - first magnetic recording.
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38 | 1935 | - Wallace Carothers and DuPont Labs invents nylon (polymer 6.6.).
- The first canned beer made.
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39 | 1936 | - Edward VIII. Ruler of England 1936. House of Windsor (name adopted Jul 17, 1917): Eldest son of George V.
- George VI. Ruler of England 1936-1952. House of Windsor (name adopted Jul 17, 1917): 2nd son of George V, Duke of York; married Lady Elizabeth Bowes-Lyon.
- Bell Labs invents the voice recognition machine.
- Samuel Colt patents the Colt revolver.
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40 | 1937 | - Chester F. Carlson invents the photocopier.
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41 | 1938 | - The ballpoint pen invented by Ladislo Biro.
- Roy J. Plunkett invented tetrafluoroethylene polymers or Teflon.
- Nescafe or freeze-dried coffee invented.
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42 | 1939 | - World War II begins. Axis Powers: Germany, Italy, Japan vs. Major Allied Powers: United States, Great Britain, France, and Russia. 1939-1945.
- Igor Sikorsky invents the first successful helicopter.
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43 | 1940 | - Peter Goldmark invents modern color television system.
- Karl Pabst invents the jeep.
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44 | 1941 | - Konrad Zuse's Z3, the first computer controlled by software.
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45 | 1942 | - John Atanasoff and Clifford Berry built the first electronic digital computer.
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46 | 1943 | - Richard James invents the slinky.
- James Wright invent silly putty.
- Swiss chemist, Albert Hofmann discovered the hallucinogenic properties of LSD.
- Emile Gagnan and Jacques Cousteau invent the aqualung.
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47 | 1944 | - The kidney dialysis machine invented by Willem Kolff.
- Synthetic cortisone invented by Percy Lavon Julian.
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