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Date |
Event(s) |
| 1 | 1914 | - 28 Jul 1914: World War I begins with Austria Hungary's declaration of war against Serbia
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| 2 | 1915 | - 21 Oct 1915: First transatlantic radio-telephone call is made between Arlington, Virginia and Paris, France
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| 3 | 1917 | - 6 Apr 1917: President Woodrow Wilson signs a declaration of war against Germany, bringing the U.S. into World War I
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| 4 | 1918 | - 11 Nov 1918: The eleventh month, the eleventh day and the eleventh hour of 1918, World War I ends with a declared armistice.
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| 5 | 1919 | - 1919: Shortwave radio is invented
- 4 Jan 1919: Jack Dempsey defeats Jess Willard in three rounds for the World Heavyweight Boxing championship
- 29 Jan 1919: The 18th Amendment to the Constitution is ratified prohibiting the manufacture, sale and transport of intoxicating liquors.
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| 6 | 1922 | - 26 Nov 1922: Excavation begins on the tomb of ancient Egyptian King Tutankhamen near Luxor, Egypt
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| 7 | 1924 | - 30 Nov 1924: Photographs sent in twenty minutes by radio from London to New York City
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1914 - 1925 (10 years)