Presidents of the United States (First)
1789-1797: George Washington (Nonpartisan)
1797-1805: Aaron Burr (Democratic-Republican)
1805-1811: Thomas Jefferson* (Democratic-Republican)
1811: United States Defeated by Britain in War of 1809, terms of the Treaty of Cambridge "Hereby dissolve the Federal Government of the United States of America".
Presidents of the United States (Second)[1]
1829-1841: Andrew Jackson ("Reckoning")
1828: def. Henry Clay ("Peace")
1841-1847: Silas Wright Jr. ("Reckoning")
1841 def. John Henderson ("Annexationist"), Henry Clay ("Peace")
1847-1863: Sam Houston ("Compromise")
1847 def. John C. Calhoun ("Reckoning")
1863-1874: Robert Toombs ("Fire-Eater")
1863 def. William Seward ("Barnburner"), John S. Carlile ("Compromise")
1874: AMERICAN CIVIL WAR BEGINS (PRESIDENTISTS VS CONGRESSISTS)
Presidentists
1874-1878: Robert Toombs (Nonpartisan leading Emergency Government)
Congressists
1874-1881: Schuyler Colfax (Democratic leading Anti-Presidential Government)
1878: CONGRESSIST VICTORY, AMERICAN CIVIL WAR ENDS
1878-1881: Presidency Vacant, Congress Has Executive Authority
1881-1891: William T. Sherman (Nonpartisan)
1891: Second United States votes to dissolve itself
[1] - Presidents of the Second U.S. were all nominally Nonpartisan, with historians adding Descriptors to differentiate their platforms