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Date |
Event(s) |
| 1 | 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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| 2 | 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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| 3 | 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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| 4 | 1931 | - 1931: Harold Edgerton invented stop-action photography.
- 1931: Germans Max Knott and Ernst Ruska co-invent the electron microscope.
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| 5 | 1932 | - 1932: Polaroid photography invented by Edwin Herbert Land.
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| 6 | 1933 | - 1933: Franklin Roosevelt president of the USA 1933-1945.
- 1933: Stereo records invented.
- 1933: Frequency modulation (FM radio) invented by Edwin Howard Armstrong.
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| 7 | 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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1928 - 1934 (5 years)