1801 - Aft 1850 (> 50 years)
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Date |
Event(s) |
| 1 | 1914 | - 1 Jan 1914: Panama Canal opens,The Panama Canal officially opened, allowing ships to travel between the Atlantic and Pacific oceans.
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| 2 | 1915 | - 1 Jan 1915: Lusitania sinks,A German U-boat sank the British passenger liner Lusitania, killing 128 Americans and turning public opinion against Germany.
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| 3 | 1917 | - 6 Apr 1917: U.S. enters World War I,The United States declared war on Germany, officially entering World War I.
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| 4 | 1918 | - 1 Jan 1918: Spanish Flu pandemic,The first cases of the devastating influenza pandemic were reported in the U.S.
- 11 Nov 1918: Armistice Day,An armistice was signed, ending World War I.
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| 5 | 1919 | - 1 Jan 1919: 18th Amendment ratified,The 18th Amendment, which prohibited the manufacture, sale, or transportation of alcoholic beverages, was ratified.
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