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Date |
Event(s) |
| 1 | 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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| 2 | 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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| 3 | 1940 | - 1940: Peter Goldmark invents modern color television system.
- 1940: Karl Pabst invents the jeep.
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| 4 | 1941 | - 1941: Konrad Zuse's Z3, the first computer controlled by software.
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| 5 | 1942 | - 1942: John Atanasoff and Clifford Berry built the first electronic digital computer.
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| 6 | 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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| 7 | 1944 | - 1944: The kidney dialysis machine invented by Willem Kolff.
- 1944: Synthetic cortisone invented by Percy Lavon Julian.
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1938 - 1944 (5 years)