|  | Date | Event(s) | 
	
| 1 | 1872 | 1872: A.M. Ward issues the first mail-order catalog.1872: J.S. Risdon patents the metal windmill.
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| 2 | 1873 | 1873: Joseph Glidden invents barbed wire.
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| 3 | 1874 | 1874: American, C. Goodyear, Jr. invents the shoe welt stitcher.
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| 4 | 1876 | 1876: Nicolaus August Otto invents the first practical four-stroke internal combustion engine.1876: Alexander Graham Bell patents the telephone.1876: Melville Bissell patents the carpet sweeper.
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| 5 | 1877 | 1877: Rutherford Hayes president of the USA 1877-1881.1877: Thomas Edison invents the cylinder phonograph or tin foil phonograph.1877: Eadweard Muybridge invents the first moving pictures.
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| 6 | 1878 | 1878: Sir Joseph Wilson Swan was the first person to invent a practical and longer-lasting electic lightbulb.
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| 7 | 1880 | 1880: Englishmen, John Milne invents the modern seismograph.1880: The British Perforated Paper Company invents a form of toilet paper.
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| 8 | 1881 | 1881: James Garfield president of the USA 1881.  James Garfield wounded by assassin's bullet on 3 Jul 1881 and dies 19 Sep 1881.1881: Chester A. Arthur president of the USA 1881-1885.  Chester A. Arthur, vice president under James Garfield, sworn in as president upon the death of Garfield.1881: David Houston patents the roll film for cameras.1881: Alexander Graham Bell invents the first crude metal detector.1881: Edward Leveaux patents the automatic player piano.
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| 9 | 1884 | 1884: James Ritty invents the first working, mechanical cash register.1884: Charles Parson patents the steam turbine.1884: Lewis Edson Waterman invents the first practical fountain pen.1884: George Eastman patents paper-strip photographic film.
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| 10 | 1885 | 1885: Grover Cleveland president of the USA 1885-1889.1885: Karl Benz invents the first practical automobile to be powered by an internal-combustion engine.1885: Harim Maxim invents a machine gun.1885: Gottlieb Daimler invents the first gas-engined motorcycle.
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| 11 | 1886 | 1886: John Pemberton invents Coca Cola.1886: Josephine Cochrane invents the dishwasher.
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| 12 | 1887 | 1887: German, Heinrich Hertz invents radar.1887: Emile Berliner invents the gramophone.1887: F.E. Muller and Adolph Fick invent the first wearable contact lenses.
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| 13 | 1888 | 1888: John Boyd Dunlop patents a commercially successful pneumatic tire.1888: Nikola Tesla invents the AC motor and transformer.1888: Marvin Stone patents the spiral winding process to manufacture the first paper drinking straws.
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| 14 | 1889 | 1889: Benjamin Harrison president of the USA 1889-1893.1889: Sir James Dewar and Sir Frederick Abel co-invent Cordite - a type of smokeless gunpowder.1889: Joshua Pusey invents the matchbook.
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| 15 | 1891 | 1891: Jesse W. Reno invents the escalator.
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| 16 | 1892 | 1892: Sir James Dewar invents the Dewar flask or vacuum flask.1892: Rudolf Diesel invents the diesel-fueled internal combustion engine.
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| 17 | 1893 | 1893: Grover Cleveland president of the USA 1893-1897.1893: American, W.L. Judson invents the zipper.
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| 18 | 1895 | 1895: Lumiere Brothers invent a portable motion-picture camera, film processing unit and projector called the Cinematographe.  The Lumiere Brothers using their Cinematographe are the first to present a projected motion picture to an audience of more that one person.
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| 19 | 1896 | 1896: American, H. O'Sullivan invents the rubber heel.
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| 20 | 1897 | 1897: William McKinley president of the USA 1897-1901.  William McKinley dies in Buffalo, NY, 1901.
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| 21 | 1898 | 1898: Spanish-American War:  United States vs Spain 1898.1898: Edwin Prescott patents the roller coaster.
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| 22 | 1899 | 1899: J.S. Thurman patents the motor-driven vacuum cleaner.1899: I.R. Johnson patents the bicycle frame.
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| 23 | 1900 | 1900: The zeppelin invented by Count Ferdinand von Zeppelin.1900: Charles Seeberger redesigned Jesse Reno's escalator and invented the modern escalator.
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| 24 | 1901 | 1901: Theodore Roosevelt president of the USA 1901-1909.  Theodore Roosevelt, vice president under William McKinley, sworn in as president upon death of McKinley.1901: King Camp Gillette invents the double-edged safety razor.1901: The first radio receiver, successfully received a radio transmission.1901: Hubert Booth invents a compact and modern vacuum cleaner.1901: Edward VII.  Ruler of England 1901-1910.  House of Saxe-Coburg and Gotha: Eldest son of Victoria, married Alexandra, Princess of Denmark.
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| 25 | 1902 | 1902: Willis Carrier invents the air conditioner.1902: French physicist George Claude invents neon light.1902: The lie detector or polygraph machine is invented by James Mackenzie.1902: The birth of the Teddy Bear.
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| 26 | 1903 | 1903: Edward Binney and Harold Smith co-invent crayons.1903: Bottle-making machinery invented by Michael J. Owens.1903: The Wright brothers invent the first gas motored and manned airplane.1903: Mary Anderson invents windshield wipers.1903: William Coolidge invents ductile tungsten used in lightbulbs.
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| 27 | 1904 | 1904: Teabags invented by Thomas Suillivan.1904: Benjamin Holt invents a tractor.
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| 28 | 1905 | 1905: Albert Einstein published the Theory of Relativity and made famous the equation, E = mc2.
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| 29 | 1906 | 1906: William Kellogg invents Cornflakes.
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| 30 | 1907 | 1907: Color photography invented by Auguste and Louis Lumiere.1907: The very first piloted helicopter was invented by Paul Cornu.
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| 31 | 1908 | 1908: The gyrocompass invented by Elmer A. Sperry.1908: Cellophane invented by Jacques E. Brandenberger.1908: Model T automobile first sold.1908: J W Geiger and W Müller invent the geiger counter.1908: Fritz Haber invents the Haber Process for making artificial nitrates.
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| 32 | 1909 | 1909: William Taft president of the USA 1909-1913.1909: Instant coffee invented by G. Washington.
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| 33 | 1910 | 1910: Thomas Edison demonstrated the first talking motion picture.1910: Georges Claude displayed the first neon lamp to the public on December 11, 1910, in Paris.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.
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| 34 | 1911 | 1911: Charles Franklin Kettering invents the first automobile electrical ignition system.
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| 35 | 1912 | 1912: Motorized movie cameras invented, and replaced hand-cranked cameras.1912: The first tank patented by Australian inventor De La Mole.1912: Clarence Crane created Life Savers candy in 1912.
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| 36 | 1913 | 1913: Woodrow Wilson president of the USA 1913-1921.1913: The crossword puzzle invented by Arthur Wynne.1913: The Merck Chemical Company patented, what is now known as, ecstasy.1913: Mary Phelps Jacob invents the bra.1913: Gideon Sundback invents the modern zipper.
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| 37 | 1914 | 1914: World War I begins.  Triple Alliance: Germany, Italy, and Austria-Hungary vs. Triple Entente: Britain, France, and Russia. The United States joined on the side of the Triple Entente in 1917.1914: Garrett A. Morgan invents the Morgan gas mask.
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| 38 | 1915 | 1915: Eugene Sullivan and William Taylor co-invented Pyrex in New York City.
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| 39 | 1916 | 1916: Radio tuners invented that received different stations.1916: Stainless steel invented by Henry Brearly.
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| 40 | 1918 | 1918: World War I ends.1918: Charles Jung invented fortune cookies.
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| 41 | 1919 | 1919: The pop-up toaster invented by Charles Strite.1919: Short-wave radio invented.1919: The arc welder invented.
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| 42 | 1920 | 1920: The tommy gun patented by John T Thompson.1920: The Band-Aid invented by Earle Dickson
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| 43 | 1921 | 1921: Warren Harding president of the USA 1921.  Warren Harding dies of an embolism in San Francisco.  He had taken ill on 31 Jul 1921.1921: Calvin Coolidge president of the USA 1921-1929.  Calvin Coolidge, vice president under Warren Harding, sworn in as president the day after Harding dies.1921: Artificial life begins -- the first robot built.1921: John Larson, a University of California medical student, invented the modern lie detector (polygraph), used by police since 1924.
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| 44 | 1922 | 1922: Insulin invented by Sir Frederick Grant Banting.1922: The first 3-D movie (spectacles with one red and one green lens) is released.
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| 45 | 1923 | 1923: Garrett A. Morgan invents a traffic signal.1923: The television or iconoscope (cathode-ray tube) invented by Vladimir Kosma Zworykin.1923: John Harwood invented the self-winding watch.1923: Clarence Birdseye invents frozen food.
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| 46 | 1924 | 1924: The dynamic loudspeaker invented by Rice and Kellogg.1924: Notebooks with spiral bindings invented.
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| 47 | 1925 | 1925: The mechanical television a precursor to the modern television, invented by John Logie Baird.
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| 48 | 1926 | 1926: Robert H. Goddard invents liquid-fueled rockets.
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| 49 | 1927 | 1927: JWA Morrison invents the first quartz crystal watch.1927: Philo Taylor Farnsworth invents a complete electronic TV system.1927: Technicolor invented.1927: Erik Rotheim patents an aerosol can.1927: Warren Marrison developed the first quartz clock.1927: Philip Drinker invents the iron lung.
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| 50 | 1928 | 1928: Scottish biologist Alexander Fleming discovers penicillin.1928: Bubble gum invented by Walter E. Diemer.1928: Jacob Schick patented the electric shaver.
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| 51 | 1929 | 1929: Herbert Hoover president of the USA 1929-1933.1929: American, Paul Galvin invents the car radio.1929: Yo-Yo re-invented as an American fad.
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| 52 | 1930 | 1930: Scotch tape patented by 3M engineer Richard G. Drew.1930: The "differential analyzer", or analog computer invented by Vannevar Bush at MIT in Boston.1930: Frank Whittle and Dr Hans von Ohain both invent a jet engine.
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| 53 | 1931 | 1931: Harold Edgerton invented stop-action photography.1931: Germans Max Knott and Ernst Ruska co-invent the electron microscope.
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| 54 | 1932 | 1932: Polaroid photography invented by Edwin Herbert Land.
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| 55 | 1933 | 1933: Franklin Roosevelt president of the USA 1933-1945.1933: Frequency modulation (FM radio) invented by Edwin Howard Armstrong.1933: Stereo records invented.
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| 56 | 1934 | 1934: Charles Darrow claims he invented the game Monopoly.1934: Joseph Begun invents the first tape recorder for broadcasting - first magnetic recording.
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| 57 | 1935 | 1935: Wallace Carothers and DuPont Labs invents nylon (polymer 6.6.).1935: The first canned beer made.
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| 58 | 1936 | 1936: Bell Labs invents the voice recognition machine.1936: Samuel Colt patents the Colt revolver.1936: Edward VIII.  Ruler of England 1936.  House of Windsor (name adopted Jul 17, 1917): Eldest son of George V.1936: 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.
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| 59 | 1937 | 1937: Chester F. Carlson invents the photocopier.
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| 60 | 1938 | 1938: The ballpoint pen invented by Ladislo Biro.1938: Roy J. Plunkett invented tetrafluoroethylene polymers or Teflon.1938: Nescafe or freeze-dried coffee invented.
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| 61 | 1939 | 1939: World War II begins.  Axis Powers: Germany, Italy, Japan vs. Major Allied Powers: United States, Great Britain, France, and Russia.  1939-1945.1939: Igor Sikorsky invents the first successful helicopter.
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| 62 | 1940 | 1940: Peter Goldmark invents modern color television system.1940: Karl Pabst invents the jeep.
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| 63 | 1941 | 1941: Konrad Zuse's Z3, the first computer controlled by software.
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| 64 | 1942 | 1942: John Atanasoff and Clifford Berry built the first electronic digital computer.
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| 65 | 1943 | 1943: Richard James invents the slinky.1943: James Wright invent silly putty.1943: Swiss chemist, Albert Hofmann discovered the hallucinogenic properties of LSD.1943: Emile Gagnan and Jacques Cousteau invent the aqualung.
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| 66 | 1944 | 1944: The kidney dialysis machine invented by Willem Kolff.1944: Synthetic cortisone invented by Percy Lavon Julian.
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| 67 | 1945 | 1945: World War II ends.1945: Harry Truman president of the USA 1945-1953.1945: The atomic bomb invented.
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| 68 | 1946 | 1946: The microwave oven invented by Percy Spencer.
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| 69 | 1947 | 1947: British/Hungarian scientist, Dennis Gabor, developed the theory of holography.1947: Mobile phones first invented.1947: Bardeen, Brattain, and Shockley invent the transistor.1947: Earl Silas Tupper patented the Tupperware seal.
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| 70 | 1948 | 1948: The Frisbee® invented by Walter Frederick Morrison and Warren Franscioni.1948: Velcro ® invented by George de Mestral.1948: Robert Hope-Jones invented the Wurlitzer jukebox.
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| 71 | 1949 |  |