Dates: 30 April 1789 - 4 March 1797
Duration: 7 years, 10 months, 1 week, 1 day
Notes:
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Dates: March 4, 1797 - March 4, 1801
Duration: 3 years, 12 months, 4 days
Notes:
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Dates: March 4, 1801 - March 4, 1809
Duration: 8 years
Notes:

Dates: March 4, 1809 - March 4, 1817
Duration: 8 years
Notes:
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Dates: March 4, 1817 - March 4, 1825
Duration: 8 years
Notes:
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Dates: March 4, 1825 - March 4, 1829
Duration: 4 years
Notes:
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Dates: March 4, 1829 - March 4, 1837
Duration: 8 years
Notes:
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Dates: March 4, 1837 - March 4, 1841
Duration: 4 years
Notes:
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Dates: March 4, 1841 - April 4, 1841
Duration: 1 month, 1 day
Notes:
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Dates: April 4, 1841 - March 4, 1845
Duration: 3 years, 11 months, 4 days
Notes:
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Dates: March 4, 1845 - March 4, 1849
Duration: 4 years
Notes:

Dates: March 4, 1849 - July 9, 1850
Duration: 1 year, 4 months, 6 days
Notes:
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Dates: July 9, 1850 - March 4, 1853
Duration: 2 years, 7 months, 4 weeks
Notes:
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Dates: March 4, 1853 - March 4, 1857
Duration: 4 years
Notes:

Dates: March 4, 1857 - March 4, 1861
Duration: 4 years
Notes:
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Dates: March 4, 1861 - April 15, 1865
Duration: 4 years, 1 month, 1 week, 5 days
Notes:
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Dates: April 15, 1865 - March 4, 1869
Duration: 3 years, 10 months, 3 weeks, 2 days
Notes:
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Dates: March 4, 1869 - March 4, 1877
Duration: 8 years
Notes:
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Dates: March 4, 1877 - March 4, 1881
Duration: 4 years
Notes:
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Dates: March 4, 1881 - September 19, 1881
Duration: 6 months, 2 weeks, 5 days
Notes:
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Dates: September 19, 1881 - March 4, 1885
Duration: 3 years, 5 months, 2 weeks, 2 days
Notes:
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Dates: March 4, 1885 - March 4, 1889
Duration: 4 years
Notes:
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Dates: March 4, 1889 - March 4, 1893
Duration: 4 years
Notes:
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Dates: March 4, 1893 - March 4, 1897
Duration: 4 years
Notes:
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Dates: March 4, 1897 - September 14, 1901
Duration: 4 years, 6 months, 1 week, 6 days
Notes:
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Dates: September 14, 1901 - March 4, 1909
Duration: 7 years, 5 months, 3 weeks
Notes:
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Dates: March 4, 1909 - March 4, 1913
Duration: 4 years
Notes:
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Dates: March 4, 1913 - March 4, 1921
Duration: 8 years
Notes:
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Dates: March 4, 1921 - August 2, 1923
Duration: 2 years, 5 months
Notes:
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Dates: August 2, 1923 - March 4, 1929
Duration: 5 years, 7 months, 4 days
Notes:
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Dates: March 4, 1929 - March 4, 1933
Duration: 4 years
Notes:
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Dates: March 4, 1933 - April 12, 1945
Duration: 12 years, 1 month, 1 week, 2 days
Notes:
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Dates: April 12, 1945 - January 20, 1953
Duration: 7 years, 9 months, 1 week, 6 days
Notes:
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Dates: 1/20/1953 - 1/20/1961
Duration: 8 years
Notes:
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Dates: 1/20/1961 - 11/22/1963
Duration: 2 years, 10 months, 5 days
Notes:
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Dates: 11/22/1963 - 1/20/1969
Duration: 5 years, 1 month, 4 weeks, 1 day
Notes:
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Dates: 1/20/1969 - 8/9/1974
Duration: 5 years, 6 months, 2 weeks, 6 days
Notes:

Dates: 8/9/1974 - 1/20/1977
Duration: 2 years, 5 months, 2 weeks
Notes:
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Dates: 1/20/1977 - 1/20/1981
Duration: 4 years
Notes:
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Dates: 1/20/1981 - 1/20/1989
Duration: 8 years
Notes:
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Dates: 1/20/1989 - 1/20/1993
Duration: 4 years
Notes:
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Dates: 1/20/1993 - 1/20/2001
Duration: 8 years
Notes:
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Dates: 1/20/2001 - 1/20/2009
Duration: 8 years
Notes:
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Dates: 1/20/2009 - Present
Duration: 1 year, 7 months, 2 weeks, 1 day
Notes:
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Dates: 07/04/1776 - Present
Duration: 234 years, 1 month, 4 weeks
Dates: 08/31/1803 - 09/23/1806
Duration: 3 years, 3 weeks, 2 days
Dates: 1820 - 1840
Duration: 20 years
Dates: 1841 - 1869
Duration: 28 years
Dates: 05/12/1846 - 03/14/1847
Duration: 10 months, 6 days
Dates: 04/12/1861 - 04/09/1865
Duration: 3 years, 12 months, 2 days
Dates: 07/01/1863 - 07/04/1863
Duration: 3 days
Dates: 11/19/1863
Duration: Instant
Notes:
Given by President Lincoln
Dates: 10/28/1864
Duration: Instant
Dates: 04/09/1865
Duration: Instant
Dates: 04/15/1865
Duration: Instant
Dates: 06/28/1914 - 11/11/1918
Duration: 4 years, 4 months, 2 weeks, 2 days
Dates: 09/01/1939 - 09/02/1945
Duration: 6 years, 1 day
Dates: 522 BC - 472 BC
Duration: 50 years
Dates: 5 BC - 30 AD
Duration: 35 years
Dates: 10/22/1734 - 09/26/1820
Duration: 85 years, 11 months, 1 week, 1 day
Dates: 1778 - 03/26/1838
Duration: 60 years, 2 months, 3 weeks, 2 days
Dates: 08/17/1786 - 03/06/1836
Duration: 49 years, 6 months, 2 weeks, 6 days
Dates: 1788 - 12/20/1812
Duration: 24 years, 11 months, 3 weeks, 2 days
Dates: 01/06/1799 - 05/27/1831
Duration: 32 years, 4 months, 2 weeks, 6 days
Dates: 02/12/1809 - 04/15/1865
Duration: 56 years, 2 months, 2 days
Dates: 02/07/1812 - 06/09/1870
Duration: 58 years, 4 months, 2 days
Dates: 03/19/1813 - 05/01/1873
Duration: 60 years, 1 month, 1 week, 6 days
Dates: 05/12/1820 - 08/13/1910
Duration: 90 years, 3 months, 1 day
Dates: 12/25/1821 - 04/12/1912
Duration: 90 years, 3 months, 2 weeks, 3 days
Dates: 02/09/1865 - 12/23/1931
Duration: 66 years, 10 months, 2 weeks, 1 day
Notes:
The snowflake man
Dates: 04/15/1892 - 04/15/1983
Duration: 90 years, 12 months, 3 days
Dates: 04/14/1911 - Present
Duration: 99 years, 4 months, 3 weeks, 1 day
Dates: 1919 - 03/14/1933
Duration: 14 years, 2 months, 1 week, 5 days
Dates: 02/21/1956 - Present
Duration: 54 years, 6 months, 2 weeks
Dates: March 23, 1958 - Present
Duration: 52 years, 5 months, 1 week, 6 days
Dates: 01/24/1981 - Present
Duration: 29 years, 7 months, 1 week, 4 days
Dates: 07/01/1982 - Present
Duration: 28 years, 2 months, 3 days
Dates: 04/09/2003 - Present
Duration: 7 years, 4 months, 3 weeks, 6 days
Dates: 05/17/2004 - Present
Duration: 6 years, 3 months, 2 weeks, 4 days
Dates: 07/20/2005 - Present
Duration: 5 years, 1 month, 2 weeks
Dates: 10/22/2006 - Present
Duration: 3 years, 10 months, 2 weeks, 2 days
Dates: 02/29/2008 - Present
Duration: 2 years, 6 months, 6 days
Dates: 10/13/2009 - Present
Duration: 10 months, 3 weeks, 3 days
Dates: 1812
Duration: Instant
Dates: Feb 1837 - April 1839
Duration: 2 years, 1 month, 4 weeks
Dates: 01/30/1873
Duration: Instant
Dates: Oct 1895
Duration: Instant