Parliamentary America
George Washington declines the nomination of himself as Convention President at the 1787 Constitutional Convention, instead pushing for the nomination of his close friend and associate, Alexander Hamilton. Hamilton is narrowly nominated, and his introduction of his overarching "Hamilton Plan", the introduction of a parliamentary system, takes off well with many supporters of the Virginia Plan, as well as some who supported the New Jersey Plan. Hamilton's Plan is voted in, and in 1788, The US becomes a parliamentary republic. The first general election takes place in 1789, and Hamilton, after defeating John Adams and James Madison in the Federalist Party nomination, becomes Prime Minister
Prime Ministers of the United States (1789-Present)
1. Alexander Hamilton (Federalist) July 4, 1789 - May 7, 1799
1789: John Adams (Federalist), James Madison (Federalist), George Clinton (Independent)
1794: Thomas Jefferson (Whig), George Clinton (Unity)
2. John Adams (Unity) May 7, 1799 - June 1, 1803 [Lost renomination]
1799: Alexander Hamilton (Federalist), Thomas Jefferson (Whig)
3. Aaron Burr (Unity) June 1, 1803 - May 8, 1804
1803 (Snap): Alexander Hamilton (Federalist), Thomas Jefferson (Whig)
4. Alexander Hamilton (Federalist) May 8 - July 12, 1804 [Assassinated]
1804: Thomas Jefferson (Whig), George Clinton (Unity)
5. James Madison (Whig) July 31, 1804 - May 8, 1810
1805 (Snap): Rufus King (Federalist), George Clinton (Unity)
6. George Clinton (Unity-Federalist Coalition) May 8, 1810 - April 20, 1812 [Died in office]
1810: James Madison (Whig)
7. DeWitt Clinton (Unity-Federalist Coalition) May 5, 1812 - May 4, 1813
8. James Madison (Whig) May 4, 1813 - April 29, 1817 [Resigned]
1813 (Snap): DeWitt Clinton (Unity-Federalist)
9. James Monroe (Whig) April 29, 1817 - May 6, 1823
1818: DeWitt Clinton (Federalist)
10. Henry Clay (Conservative) May 6, 1823 - May 6, 1828
1823: Andrew Jackson (Liberal), William Crawford (Whig), John Quincy Adams (Federalist)
11. Andrew Jackson (Liberal) May 6, 1828 - November 20, 1832
1828: Henry Clay (Conservative)
12. Henry Clay (Conservative) November 20, 1832 - June 28, 1836
1832 (Snap): Andrew Jackson (Liberal), John C. Calhoun (Nullifier)
13. Martin Van Buren (Liberal) June 28, 1836 - June 30, 1840
1836: William Henry Harrison (Conservative)
14. William Henry Harrison (Conservative) June 30, 1840 - April 4, 1842 [Died in office]
1840: Martin Van Buren (Liberal)
15. Henry Clay (Conservative) May 3, 1842 - November 25, 1845
1842 (Snap): James K. Polk (Liberal), Martin Van Buren (Freedom), Daniel Webster (Northern Conservative)
16. James K. Polk (Liberal) November 25, 1845 - December 19, 1848 [Stepped down]
1845 (Snap): Henry Clay (Conservative), Martin Van Buren (Freedom)
17. Daniel Webster (Conservative-Freedom Coalition) December 19, 1848 - October 24, 1853 [Died in office]
1848 (Snap): Lewis Cass (Liberal), Martin Van Buren (Freedom)
18. James Buchanan (Liberal) November 1, 1853 - August 12, 1856 [No confidence]
1853: Daniel Webster (Conservative) [deceased], Martin Van Buren (Freedom)
19. Millard Fillmore (Conservative) August 12, 1856 - November 6, 1860 [Lost renomination]
1856 (No confidence): Stephen Douglas (Liberal), John C. Fremont (Freedom)
20. Abraham Lincoln (Conservative-Freedom Coalition) November 6, 1860 - April 15, 1865 [Assassinated]
1860 (Snap): John C. Breckinridge (Democrats), Millard Fillmore (Constitution), Stephen Douglas (Liberal)
1864: Horatio Seymour (Liberal), James A. Bayard (Democrats)
21. Schuyler Colfax (Conservative) April 25, 1865 - July 4, 1876
1869: Francis P. Blair Jr. (Liberal), Thomas F. Bayard (Democrats)
1873 (Snap): Francis P. Blair Jr. (Liberal), Thomas F. Bayard (Democrats)
22. Samuel Tilden (Liberal-Democratic Coalition) July 4, 1876 - November 9, 1880
1876: Schuyler Colfax (Conservative), Thomas F. Bayard (Democrats)
23. James A. Garfield (Conservative) November 9, 1880 - November 4, 1884 [Lost renomination]
1880: Samuel Tilden (Liberal), Thomas F. Bayard (Democrats)
24. James G. Blaine (Conservative) November 4, 1884 - November 29, 1892
1884: Thomas A. Hendricks (Liberal), Thomas F. Bayard (Democrats)
1889: Thomas F. Bayard (Democrats), Allen G. Thurman (Liberal)
25. Benjamin Harrison (Conservative) November 29, 1892 - November 3, 1896
1892: David B. Hill (Liberal), Thomas F. Bayard (Democrats), James B. Weaver (People's)
26. William Jennings Bryan (Liberal-People's Coalition) November 3, 1896 - March 29, 1898
1896: Benjamin Harrison (Conservative), Thomas F. Bayard (Democrats)
27. William McKinley (Conservative) March 29, 1898 - Septepmber 14, 1901 [Assassinated]
1898 (Snap): William Jennings Bryan (Liberal), Thomas E. Watson (People's), Thomas F. Bayard (Democrats)
1900: William Jennings Bryan (Liberal), Thomas E. Watson (People's)
28. Mark Hanna (Conservative) September 24, 1901 - February 7, 1904 [Died in office]
1903: John Sharp Williams (Liberal), Thomas E. Watson (People's)
29. Theodore Roosevelt (Progressive-Conservative) February 16, 1904 - November 12, 1912
1908: John Sharp Williams (Liberal), Thomas E. Watson (People's)
30. John Sharp Williams (Liberal) November 12, 1912 - November 30, 1920
1912: Theodore Roosevelt (Progressive), Joseph Gurney Cannon (Conservative), Thomas E. Watson (People's)
1916: Charles Evans Hughes (Progressive-Conservative), Thomas E. Watson (People's)
31. Warren G. Harding (Progressive-Conservative) November 30, 1920 - August 2, 1923 [Died in office]
1920: John Sharp Williams (Liberal), Thomas E. Watson (People's)
32. William Borah (Progressive-Conservative) August 7, 1923 - November 8, 1932
1925: John Sharp Williams (Liberal), James M. Cox (Labor)
33. Franklin D. Roosevelt (Labor) November 8, 1932 - April 12, 1945 [Died in office]
1932: William Borah (Progressive-Conservative), Albert Smith (Liberal)
1937: William Borah (Progressive-Conservative), Albert Smith (Liberal)
1940: Alfred Landon (Progressive-Conservative), Wendell Willkie (Liberal), Charles Lindbergh (America First)
1944: Thomas E. Dewey (Progressive-Conservative), Robert M. LaFollette Jr. (Liberal)
34. Henry A. Wallace (Labor) April 17, 1945 - May 18, 1948 [Lost renomination]
35. Thomas E. Dewey (Progressive-Conservative) May 18, 1948 - December 4, 1951 [Resigned]
1948: Harold S. Truman (Labor), Robert M. LaFollette Jr. (Liberal) [lost reelection]
36. Earl Warren (Progressive-Conservative) December 4, 1951 - February 1, 1955
37. Lyndon B. Johnson (Labor) February 1, 1955 - November 15, 1960
1955: Earl Warren (Progressive-Conservative), Philip LaFollette (Liberal)
38. Richard M. Nixon (Progressive-Conservative) November 15, 1960 - October 20, 1964
1960: Lyndon B. Johnson (Labor), Philip LaFollette (Liberal)
39. Hubert H. Humphrey (Labor) October 20, 1964 - November 5, 1968
1964: Richard M. Nixon (Progressive-Conservative), Philip LaFollette (Liberal)
40. Richard M. Nixon (Progressive-Conservative) November 5, 1968 - September 4, 1973
1968: Hubert Humphrey (Labor), John B. Anderson (Liberal)
41. Hubert H. Humphrey (Labor) September 4, 1973 - July 5, 1977 [Resigned]
1973: Richard M. Nixon (Progressive-Conservative), John B. Anderson (Liberal)
42. George S. McGovern (Labor) July 5, 1977 - December 4, 1979
43. Gerald Ford (Progressive-Conservative) December 4, 1979 - August 21, 1984
1979: George S. McGovern (Labor), John B. Anderson (Liberal)
44. George H.W. Bush (Progressive-Conservative) August 21, 1984 - November 8, 1988
1984: Walter F. Mondale (Labor), Lowell P. Weicker (Liberal)
45. Walter F. Mondale (Labor) November 8, 1988 - August 4, 1992
1988: George H.W. Bush (Progressive-Conservative), Lowell P. Weicker (Liberal)
46. John S. McCain (Progressive-Conservative) August 4, 1992 - April 4, 1998
1992: Walter F. Mondale (Labor), William Blythe (Liberal), Henry Perot (Reform)
47. Michael Madigan (Labor) April 3, 1998 - November 7, 2006
1998: John S. McCain (Progressive-Conservative), Henry Perot (Reform), William Blythe (Liberal)
2002: Donald Trump (Reform), Joseph Lieberman (Liberal), Tom Harkin (Independent-Labor), Gerald Ford (Progressive-Conservative)
48. Willard M. Romney (Conservative) November 7, 2006 - June 4, 2010
2006: Michael Madigan (Labor), Howard Dean (Liberal)
49. Barack Obama (Labor) June 4, 2010 - June 30, 2017
2010: Willard M. Romney (Conservative), Joseph R. Biden (Liberal)
50. Richard Santorum (Conservative) June 30, 2017 - Present
2017: Barack Obama (Labor), Bernard Sanders (Progress!), Gavin Newsom (CNP), Hillary Blythe (Liberal)