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Date |
Event(s) |
| 1 | 1816 | - 11 Dec 1816: Indiana becomes a U.S. state
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| 2 | 1817 | - 10 Dec 1817: Mississippi becomes a U.S. state
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| 3 | 1818 | - 3 Dec 1818: Illinois becomes a U.S. state
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| 4 | 1819 | - 14 Dec 1819: Alabama becomes a U.S. state
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| 5 | 1820 | - 15 Mar 1820: Maine becomes a U.S. state
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| 6 | 1821 | - 10 Aug 1821: Missouri becomes a U.S. state
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| 7 | 1836 | - 15 Jun 1836: Arkansas becomes a U.S. state
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| 8 | 1837 | - 26 Jan 1837: Michigan becomes a U.S. state
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| 9 | 1845 | - 1845: Florida, Texas become U.S. states
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| 10 | 1846 | - 13 May 1846—2 Feb 1848: Mexican-American War
- 28 Dec 1846: Iowa becomes a U.S. state
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| 11 | 1848 | - 2 Feb 1848: Treaty of Guadalupe Hidalgo signed, ending the Mexican-American War
- 29 May 1848: Wisconsin becomes a U.S. state
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| 12 | 1850 | - 9 Sep 1850: California becomes a U.S. state
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| 13 | 1858 | - 11 May 1858: Minnesota becomes a U.S. state
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| 14 | 1859 | - 14 Feb 1859: Oregon becomes a U.S. state
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| 15 | 1861 | - 29 Jan 1861: Kansas becomes a U.S. state
- 12 Apr 1861—9 Apr 1865: American Civil War
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| 16 | 1863 | - 1863: Abraham Lincoln proclaims national Thanksgiving Day
- 20 Jun 1863: West Virginia becomes a U.S. state
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| 17 | 1864 | - 31 Oct 1864: Nevada becomes a U.S. state
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| 18 | 1865 | - 9 Apr 1865: Lee surrenders to Grant, ending the American Civil War
- 15 Apr 1865: Abraham Lincoln is assinated by John Wilkes Booth
- Jun 1865—Dec 1868: Freedmen's Bureau assists freed ex-slaves in the South
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| 19 | 1867 | - 1 Mar 1867: Nebraska becomes a U.S. state
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| 20 | 1875 | - 1 Mar 1875: The Civil Rights Act of 1875 is signed by President Grant
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| 21 | 1876 | - 1 Aug 1876: Colorado becomes a U.S. state
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| 22 | 1889 | - Nov 1889: North Dakota, South Dakota, Montana, Washington become U.S. states
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| 23 | 1890 | - 1890: Idaho, Wyoming become U.S. states
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| 24 | 1896 | - 4 Jan 1896: Utah becomes a U.S. state
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| 25 | 1898 | - Apr 1898—Aug 1898: Spanish-American War
- 10 Dec 1898: The Treaty of Paris of 1898 is signed, giving the United States control of Cuba, the Phillipines, Puerto Rico, and Guam
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| 26 | 1907 | - 16 Nov 1907: Oklahoma becomes a U.S. state
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| 27 | 1912 | - 1912: New Mexico, Arizona become U.S. states
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| 28 | 1914 | - Jul 1914—11 Nov 1918: World War I
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| 29 | 1917 | - 6 Apr 1917: United States declares war on Germany, entering World War I
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| 30 | 1918 | - 11 Nov 1918: World War I ends
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| 31 | 1939 | - 1 Sep 1939—2 Sep 1945: World War II
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| 32 | 1941 | - 1941: Thanksgiving Day is set to be 4th Thursday in November by Franklin Roosevelt
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| 33 | 1945 | - 2 Sep 1945: Formal surrender of Japan, ending World War II
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1816 - 1844 (27 years)