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 1931 - 2004 (72 years)
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Date |
Event(s) |
| 1 | 1812 | - 18 Jun 1812—23 Mar 1815: War of 1812, between the United States of America and the British Empire
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| 2 | 1846 | - 25 Apr 1846—2 Feb 1848: Mexican–American War
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| 3 | 1861 | - 1861—1865: American Civil War
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| 4 | 1862 | - 20 Apr 1862: The first pasteurization test was completed by Louis Pasteur and Claude Bernard.
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| 5 | 1876 | - 10 Mar 1876: The first successful telephone transmission of clear speech using a liquid transmitter when Bell spoke into his device, “Mr. Watson, come here, I want to see you.” and Watson heard each word distinctly.
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| 6 | 1898 | - 25 Apr 1898—12 Aug 1898: Spanish-American War
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| 7 | 1903 | - 17 Dec 1903: The Wright Flyer flown by the Wright brothers. Recognized by the Fédération Aéronautique Internationale as "the first sustained and controlled heavier-than-air powered flight".
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| 8 | 1914 | |
| 9 | 1939 | - 1 Sep 1939—1945: World War II
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| 10 | 1950 | - 25 Jun 1950: Korean War Began - Major hostilities ended on 27 July 1953
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| 11 | 1959 | - 1959—30 Apr 1975: Vietnam War
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| 12 | 1990 | - 2 Aug 1990—28 Feb 1991: Gulf War (Desert Storm) - (officially ended 30 November 1995)
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| 13 | 2001 | - 7 Oct 2001: Operation Enduring Freedom - War in Afghanistan - still ongoing
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| 14 | 2003 | - 20 Mar 2003: Iraq War - Second Persian Gulf War - Operation Iraqi Freedom - still ongoing
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