| 1 | 1853 | - 4 Mar 1853: Franklin Pierce becomes President
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| 2 | 1857 | - 4 Mar 1857: James Buchanan becomes President
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| 3 | 1861 | - 1861: American Civil War begins
- 4 Mar 1861: Abraham Lincoln becomes President
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| 4 | 1865 | - 1865: American Civil War ends
- 15 Apr 1865: Andrew Johnson becomes President
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| 5 | 1867 | - 1867: Confedation of Canada
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| 6 | 1869 | - 4 Mar 1869: Ulysses S. Grant becomes President
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| 7 | 1877 | - 4 Mar 1877: Rutherford B. Hayes becomes President
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| 8 | 1881 | - 4 Mar 1881: James A. Garfield becomes President
- 19 Sep 1881: Chester A. Arthur becomes President
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| 9 | 1885 | - 4 Mar 1885: Grover Cleveland becomes President
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| 10 | 1889 | - 4 Mar 1889: Benjamin Harrison becomes President
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| 11 | 1893 | - 4 Mar 1893: Grover Cleveland becomes President
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| 12 | 1897 | - 4 Mar 1897: William McKinley becomes President
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| 13 | 1901 | - 1901: Queen Victoria dies
- 14 Sep 1901: Theodore Roosevelt becomes President
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| 14 | 1903 | - 17 Dec 1903: Wright Brothers' first flight
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| 15 | 1909 | - 4 Mar 1909: William Howard Taft becomes President
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| 16 | 1913 | - 4 Mar 1913: Woodrow Wilson becomes President
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| 17 | 1914 | |
| 18 | 1917 | - 1917: America enters World War I
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| 19 | 1918 | - 11 Nov 1918: World War I ends
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| 20 | 1921 | - 4 Mar 1921: Warren G. Harding becomes President
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| 21 | 1923 | - 2 Aug 1923: Calvin Coolidge becomes President
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| 22 | 1929 | - 4 Mar 1929: Herbert Hoover becomes President
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| 23 | 1933 | - 4 Mar 1933: Franklin D. Roosevelt becomes President
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| 24 | 1941 | - 7 Dec 1941: Japan attacks Pearl Harbor
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| 25 | 1945 | - 1945: World War II ends
- 12 Apr 1945: Harry S. Truman becomes President
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| 26 | 1952 | - 1952: Elizabeth II becomes Queen
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| 27 | 1953 | - 20 Jan 1953: Dwight Eisenhower becomes President
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| 28 | 1961 | - 20 Jan 1961: John F. Kennedy becomes President
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| 29 | 1963 | - 22 Nov 1963: Assassination of President John F. Kennedy
- 22 Nov 1963: Lyndon Johnson becomes President
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| 30 | 1969 | - 1969: First moon landing
- 20 Jan 1969: Richard Nixon becomes President
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| 31 | 1974 | - 9 Aug 1974: Richard Nixon resigns as President of the United States; Gerald Ford assumes office
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| 32 | 1977 | - 20 Jan 1977: Jimmy Carter becomes President
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| 33 | 1981 | - 20 Jan 1981: Ronald Reagan becomes President
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| 34 | 1989 | - 20 Jan 1989: George H.W. Bush becomes President
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| 35 | 1993 | - 20 Jan 1993: William Clinton becomes President
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| 36 | 2001 | - 20 Jan 2001: George W. Bush becomes President
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1851 - 1876 (24 years)
