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Year |
Event(s) |
1 | 1928 | - Bubble gum invented by Walter E. Diemer.
- Jacob Schick patented the electric shaver.
- Scottish biologist Alexander Fleming discovers penicillin.
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2 | 1929 | - American, Paul Galvin invents the car radio.
- Herbert Hoover president of the USA 1929-1933.
- Yo-Yo re-invented as an American fad.
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3 | 1930 | - Frank Whittle and Dr Hans von Ohain both invent a jet engine.
- Scotch tape patented by 3M engineer Richard G. Drew.
- The "differential analyzer", or analog computer invented by Vannevar Bush at MIT in Boston.
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4 | 1931 | - Germans Max Knott and Ernst Ruska co-invent the electron microscope.
- Harold Edgerton invented stop-action photography.
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5 | 1932 | - Polaroid photography invented by Edwin Herbert Land.
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6 | 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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7 | 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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8 | 1935 | - The first canned beer made.
- Wallace Carothers and DuPont Labs invents nylon (polymer 6.6.).
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9 | 1936 | - Bell Labs invents the voice recognition machine.
- 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.
- Samuel Colt patents the Colt revolver.
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10 | 1937 | - Chester F. Carlson invents the photocopier.
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11 | 1938 | - Nescafe or freeze-dried coffee invented.
- Roy J. Plunkett invented tetrafluoroethylene polymers or Teflon.
- The ballpoint pen invented by Ladislo Biro.
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12 | 1939 | - Igor Sikorsky invents the first successful helicopter.
- World War II begins. Axis Powers: Germany, Italy, Japan vs. Major Allied Powers: United States, Great Britain, France, and Russia. 1939-1945.
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