OOC: If people think this should be moved to Before 1900, do so, but this is mostly set in modern days and doesn't touch on the PoD, really.
List of American Presidents of the 20th and 21st Centuries.
1900: John Sharp Williams (Liberal Democrat leading Liberal Democratic Majority)
1902: Theodore Roosevelt (Republican leading Republican minority supported by Populists)
1904: Theodore Roosevelt (Republican leading Republican Majority)
1909: Philander C. Knox (Republican leading Republican Majority)
1911: Philander C. Knox (Republican leading Republican minority)
1913: Champ Clark (Liberal Democrat leading Liberal Democratic minority)
1914: Champ Clark (Liberal Democrat leading Liberal Democratic Majority)
1915: Champ Clark (Liberal Democrat leading Liberal Democratic-Republican grand coalition)
1919: Champ Clark (Liberal Democrat leading Liberal Democratic minority)
1920: Warren G. Harding (Republican leading Republican Majority)
1925: Warren G. Harding (Republican leading Republican Majority)
1927: Cordell Hull (Republican leading Republican Majority)
1929: Cordell Hull (Republican leading Republican Majority)
1933: Franklin D. Roosevelt (Liberal Democrat leading Liberal Democratic minority)
1935: Alfred M. Landon (Republican leading Republican minority)
1937: Alfred M. Landon (Republican leading Republican Majority)
1939: Herbert C. Hoover (Republican leading Republican Majority)
1941: Harold Stassen (Republican leading Republican Majority)
1946: Upton Sinclair (Social Democrat leading Social Democratic Majority)
1949: Upton Sinclair (Social Democrat leading Social Democratic Majority)
1951: Dwight D. Eisenhower (Republican leading Republican Majority)
1954: Dwight D. Eisenhower (Republican leading Republican-Liberal Democratic coalition)
1956: Richard Nixon (Republican leading Republican-Liberal Democratic coalition)
1957: Richard Nixon (Republican leading Republican-Liberal Democratic coalition)
1962: Lyndon Johnson (Social Democrat leading Social Democratic Majority)
1963: Lyndon Johnson (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1965: Lyndon Johnson (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1968: Lyndon Johnson (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1969: Walter Mondale (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1970: Walter Mondale (Social Democrat leading Social Democratic-Progressive Liberal coalition)
1971: Nelson Rockefeller (Republican leading Republican-Free Democratic coalition)
1975: Nelson Rockefeller (Republican leading Republican-Free Democratic coalition)
1979: George McGovern (Social Democrat leading Social Democratic-Progressive Liberal coalition)
1983: George McGovern (Social Democrat leading Social Democratic-Progressive Liberal coalition)
1986: Ronald Reagan (Republican leading Republican-Freedom coalition)
1989: Joe Biden (Social Democrat leading Social Democratic-Progressive Liberal-Reform coalition)
1991: George H. W. Bush (Republican leading Republican-Free Democratic-Libertarian coalition)
1995: Paul Simon (Social Democrat leading Social Democratic-Progressive Liberal-Green coalition)
1997: Paul Simon (Social Democrat leading Social Democratic-Progressive Liberal-Green coalition)
2000: Paul Simon (Social Democrat leading Social Democratic-Green minority coalition)
2001: John McCain (Republican leading Republican-Free Democratic coalition)
2005: John McCain (Republican leading Republican-Free Democratic coalition)
2008: Al Gore (Social Democrat leading Social Democratic-Green coalition)
2011: Barack Obama (Social Democrat leading Social Democratic-Republican grand coalition)
List of American Presidents of the 20th and 21st Centuries.
1900: John Sharp Williams (Liberal Democrat leading Liberal Democratic Majority)
1902: Theodore Roosevelt (Republican leading Republican minority supported by Populists)
1904: Theodore Roosevelt (Republican leading Republican Majority)
1909: Philander C. Knox (Republican leading Republican Majority)
1911: Philander C. Knox (Republican leading Republican minority)
1913: Champ Clark (Liberal Democrat leading Liberal Democratic minority)
1914: Champ Clark (Liberal Democrat leading Liberal Democratic Majority)
1915: Champ Clark (Liberal Democrat leading Liberal Democratic-Republican grand coalition)
1919: Champ Clark (Liberal Democrat leading Liberal Democratic minority)
1920: Warren G. Harding (Republican leading Republican Majority)
1925: Warren G. Harding (Republican leading Republican Majority)
1927: Cordell Hull (Republican leading Republican Majority)
1929: Cordell Hull (Republican leading Republican Majority)
1933: Franklin D. Roosevelt (Liberal Democrat leading Liberal Democratic minority)
1935: Alfred M. Landon (Republican leading Republican minority)
1937: Alfred M. Landon (Republican leading Republican Majority)
1939: Herbert C. Hoover (Republican leading Republican Majority)
1941: Harold Stassen (Republican leading Republican Majority)
1946: Upton Sinclair (Social Democrat leading Social Democratic Majority)
1949: Upton Sinclair (Social Democrat leading Social Democratic Majority)
1951: Dwight D. Eisenhower (Republican leading Republican Majority)
1954: Dwight D. Eisenhower (Republican leading Republican-Liberal Democratic coalition)
1956: Richard Nixon (Republican leading Republican-Liberal Democratic coalition)
1957: Richard Nixon (Republican leading Republican-Liberal Democratic coalition)
1962: Lyndon Johnson (Social Democrat leading Social Democratic Majority)
1963: Lyndon Johnson (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1965: Lyndon Johnson (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1968: Lyndon Johnson (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1969: Walter Mondale (Social Democrat leading Social Democratic-Liberal Democratic coalition)
1970: Walter Mondale (Social Democrat leading Social Democratic-Progressive Liberal coalition)
1971: Nelson Rockefeller (Republican leading Republican-Free Democratic coalition)
1975: Nelson Rockefeller (Republican leading Republican-Free Democratic coalition)
1979: George McGovern (Social Democrat leading Social Democratic-Progressive Liberal coalition)
1983: George McGovern (Social Democrat leading Social Democratic-Progressive Liberal coalition)
1986: Ronald Reagan (Republican leading Republican-Freedom coalition)
1989: Joe Biden (Social Democrat leading Social Democratic-Progressive Liberal-Reform coalition)
1991: George H. W. Bush (Republican leading Republican-Free Democratic-Libertarian coalition)
1995: Paul Simon (Social Democrat leading Social Democratic-Progressive Liberal-Green coalition)
1997: Paul Simon (Social Democrat leading Social Democratic-Progressive Liberal-Green coalition)
2000: Paul Simon (Social Democrat leading Social Democratic-Green minority coalition)
2001: John McCain (Republican leading Republican-Free Democratic coalition)
2005: John McCain (Republican leading Republican-Free Democratic coalition)
2008: Al Gore (Social Democrat leading Social Democratic-Green coalition)
2011: Barack Obama (Social Democrat leading Social Democratic-Republican grand coalition)