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Date |
Event(s) |
| 1 | 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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| 2 | 1915 | - 1915: Eugene Sullivan and William Taylor co-invented Pyrex in New York City.
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| 3 | 1916 | - 1916: Radio tuners invented that received different stations.
- 1916: Stainless steel invented by Henry Brearly.
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| 4 | 1918 | - 1918: World War I ends.
- 1918: Charles Jung invented fortune cookies.
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| 5 | 1919 | - 1919: The pop-up toaster invented by Charles Strite.
- 1919: Short-wave radio invented.
- 1919: The arc welder invented.
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| 6 | 1920 | - 1920: The tommy gun patented by John T Thompson.
- 1920: The Band-Aid invented by Earle Dickson
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1914 - 1920 (5 years)