1901 - 1904: Vice President Theodore Roosevelt (Republican)
1904 - 1907: President Theodore Roosevelt (National, endorsed by "Pro-War" Democrats and Republicans)
1904 (with Champ Clark) def. Fmr. Rep. William Jennings Bryan ("Peace" Democratic), Senator Robert M. LaFollette (Independent Republican)
1907 - 1913: Vice President Champ Clark (National, endorsed by "Pro-War" Democrats)
1908 (with Nelson A. Miles) def. Senator Henry Cabot Lodge (Republican), Senator Thomas Gore ("Anti-War" Democratic), Fmr. State Senator Eugene V. Debs (Socialist), Activist William E. Walling (Nationalist)
1913 - 1916: Senator Charles W. Fairbanks (Republican)
1912 (with Albert Fall) def. President Champ Clark (Independent), Fmr. Sec. Elihu Root (Roosevelt Corollary), Senator Oscar Underwood (Democratic), Fmr. State Senator Eugene V. Debs (Socialist)
1916 - 1919: Vice President Albert B. Fall (Republican)
1916 (with Joseph Foraker) def. Senator Carter Glass (Democratic), Rep. Winfield Gaylord (Socialist), Senator Robert M. LaFollette (Progressive), Fmr. Rep. William Jennings Bryan (Prohibition), Fmr. Mayor William H. Thompson (Whiskey and Rum), Governor James Ferguson (American Union)
1919 - 1919: Secretary of State Herbert Hoover (Republican) [disputed by Democratic led Congress]
1919 - 1921: Speaker Claude Kitchin (Democratic) [retroactive, due to the passage of the 1919 Act of Succession]
1921 - 1925: Senator Robert L. Owen (Democratic)
1920 (with Franklin Roosevelt) def. Fmr. State Senator Eugene V. Debs (Socialist), Fmr. President Herbert Hoover (Republican), Industrialist Henry Ford (Wheat in Bread)
1925 - present: Activist Ezra Pound (Wheat in Bread)
1924 (with Archie Roosevelt) def. Senator Ashley Miller (Socialist), President Robert L. Owen (Democratic), Fmr. Senator Hiram Johnson (Republican)
1928 election cancelled
1930 (with Hiram W. Evans) def. effectively unopposed, Democratic, Republican, and Socialist opposition banned under 1929 Anti-Subversives Act