| |
Year |
Event(s) |
| 1 | 1916 | - Radio tuners invented that received different stations.
- Stainless steel invented by Henry Brearly.
|
| 2 | 1918 | - Charles Jung invented fortune cookies.
|
| 3 | 1919 | - Short-wave radio invented.
- The arc welder invented.
- The pop-up toaster invented by Charles Strite.
|
| 4 | 1920 | - The Band-Aid invented by Earle Dickson
- The tommy gun patented by John T Thompson.
|
| 5 | 1921 | - Artificial life begins -- the first robot built.
- Calvin Coolidge president of the USA 1921-1929. Calvin Coolidge, vice president under Warren Harding, sworn in as president the day after Harding dies.
- John Larson, a University of California medical student, invented the modern lie detector (polygraph), used by police since 1924.
- Warren Harding president of the USA 1921. Warren Harding dies of an embolism in San Francisco. He had taken ill on 31 Jul 1921.
|
| 6 | 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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1916 - 1922
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