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        1 April 30, 1789-March 4, 1797 No Party proclamation of neutrality, warning Americans to avoid aiding either side in the emerging conflict between Britain and revolutionary France. Warned against two-party system |  
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        2 March 4, 1797	March 4, 1801 Federalist |  
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        3 March 4, 1801	March 4, 1809 Democratic-Republican |  
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        4 March 4, 1809	March 4, 1817 Democratic-Republican |  
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        5 March 4, 1817	March 4, 1825 Democratic-Republican |  
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        6 March 4, 1825	March 4, 1829 Democratic-Republican |  
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        7 March 4, 1829	March 4, 1837 Democratic |  
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        8 March 4, 1837	March 4, 1841 Democratic |  
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        9 March 4, 1841	April 4, 1841 Whig |  
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        10 April 4, 1841 March 4, 1845 Whig |  
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        11 March 4, 1845 March 4, 1849 Democratic |  
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        12 March 4, 1849 July 9, 1850 Whig |  
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        13 July 9, 1850	March 4, 1853 Whig |  
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        14 March 4, 1853 March 4, 1857 Democratic |  
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        15 March 4, 1857 March 4, 1861 Democratic |  
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        16 March 4, 1861 April 15, 1865 Republican |  
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        17 April 15, 1865 March 4, 1869 Democratic |  
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        18 March 4, 1869 March 4, 1877 Republican |  
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        19 March 4, 1877 March 4, 1881 Republican |  
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