Edward Prentiss Costigan was a Democratic Party politician who represented Colorado in the United States Senate from 1931 to 1937. He was a founding member of the Progressive Party in Colorado in 1912.
The 2006 Colorado gubernatorial election was held on November 7, 2006. Incumbent Republican governor Bill Owens was unable to run due to term limits, and the election was won by Democratic nominee Bill Ritter.
John Franklin Shafroth was an American lawyer and politician who served as a representative, member of the United States Senate, and Governor of Colorado during the late 19th and early 20th Centuries.
Charles Winfield Waterman was a Colorado attorney and politician. He is most notable for his service as a United States senator from Colorado.
The 2004 United States Senate election in Colorado took place on November 2, 2004 alongside other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections. Incumbent Republican U.S. Senator Ben Nighthorse Campbell decided to retire instead of seeking a third term. Democratic nominee Ken Salazar won the open seat, defeating Republican nominee Pete Coors despite Republican President George Walker Bush carrying the state over John Kerry in the concurrent presidential election in Colorado.
The 2014 United States Senate election in Colorado was held on November 4, 2014 to elect a member of the United States Senate to represent the State of Colorado, concurrently with the election of the Governor of Colorado, other elections to the United States Senate, elections to the United States House of Representatives, and various state and local elections. Incumbent Democratic Senator Mark Udall ran for re-election to a second term, but narrowly lost to Republican U.S. Representative Cory Gardner by a margin of 1.9 percent.
A general election was held in the U.S. state of Colorado on November 4, 2014. All of Colorado's executive officers were up for election as well as a United States Senate seat and all of Colorado's seven seats in the United States House of Representatives. Primary elections were held on June 24, 2014.
The 2016 United States House of Representatives elections in Colorado were held on November 8, 2016, to elect the seven U.S. representatives from the state of Colorado, one from each of the state's seven congressional districts. The elections coincided with the 2016 U.S. presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections. The primaries were held on June 28.
The 2020 United States Senate election in Colorado was held on November 3, 2020, to elect a member of the United States Senate to represent the State of Colorado, concurrently with the 2020 U.S. presidential election, as well as other elections to the United States Senate, elections to the United States House of Representatives and various state and local elections.
A general election was held in the U.S. state of Colorado on November 6, 2018. All of Colorado's executive offices and all seven of its seats in the United States House of Representatives were up for election. Democrats swept the statewide offices up for election, leaving the Class 2 U.S. Senate seat as the last statewide office held by a Republican.
The 2018 United States House of Representatives elections in Colorado were held on November 6, 2018, to elect the seven U.S. representatives from the state of Colorado, one from each of the state's seven congressional districts. The Republican and Democratic Party primaries in Colorado were held on June 26, 2018. The elections coincided with the gubernatorial election, as well as other elections to the House of Representatives, elections to the United States Senate, and various state and local elections.
The 1914 United States Senate election in Colorado took place on November 3, 1914. It was the first direct U.S. Senate election in Colorado following the ratification of the Seventeenth Amendment. Incumbent U.S. Senator Charles S. Thomas, a Democrat, who was first elected by the state legislature to fill a vacancy in 1913, ran for re-election to a full term.
The 1920 United States Senate election in Colorado took place on November 2, 1920. Incumbent Democratic Senator Charles S. Thomas initially declined to run for re-election, and State Supreme Court Justice Tully Scott won the Democratic nomination to succeed him, facing off against former Leadville Mayor Samuel D. Nicholson, the Republican nominee. However, in October 1920, Thomas announced that he would run for re-election as the nominee of the National Party. However, Thomas's decision did not ultimately affect the outcome of the election. Aided by Republican presidential nominee Warren G. Harding's strong performance in the state, as well as Republican Governor Oliver Henry Shoup's landslide re-election, Nicholson defeated Tully and Thomas in a landslide. Out of four candidates, Thomas placed fourth, winning just 3% of the vote and finishing behind Farmer–Labor nominee G. F. Stevens.
The 1924 United States Senate special election in Colorado took place on November 4, 1924, to fill the remainder of the term for which Samuel D. Nicholson was elected in 1920. Nicholson died in office on March 24, 1923, and Democratic Governor William Ellery Sweet appointed Alva B. Adams, a prominent Pueblo attorney, to fill the vacancy. Adams, however, declined to be a candidate in the special election, instead challenging incumbent Republican Senator Lawrence C. Phipps in the regular election the same year.
The 1926 United States Senate election in Colorado took place on November 2, 1926. Incumbent Republican Senator Rice W. Means ran for re-election, but he was defeated in the Republican primary by Charles W. Waterman, a prominent attorney and party leader. In the general election, Waterman faced former Governor William Ellery Sweet, the Democratic nominee. Despite the nationwide Democratic trend, as well as the landslide victory for Democrats in the gubernatorial election, Waterman ended up defeating Sweet by a thin margin. Waterman would not end up serving a full term in the Senate, and died in office on August 27, 1932.
The 1912 Colorado gubernatorial election took place on November 8, 1912. Democratic state Senator Elias M. Ammons defeated the Progressive, Republican and Socialist candidates future Senator Edward P. Costigan, Clifford C. Parks and Charles A. Ashelstrom with 42.91% of the vote.
The 2020 United States House of Representatives elections in Colorado was held on November 3, 2020, to elect the seven U.S. representatives from the state of Colorado, one from each of the state's seven congressional districts. The elections coincided with the 2020 U.S. presidential election, as well as other elections to the House of Representatives, elections to the United States Senate and various state and local elections.
The 1918 United States Senate election in Colorado took place on November 5, 1918. It was the second direct U.S. Senate election in Colorado following the ratification of the Seventeenth Amendment, and the first for the Class 2 Senate seat. Democratic Senator John F. Shafroth ran for re-election to a second term, and was opposed by Denver businessman Lawrence C. Phipps, the Republican nominee, in the general election. As Republicans made gains nationwide, they performed well in Colorado, too, and Phipps unseated Shafroth by a thin margin.
The 1914 Colorado gubernatorial election was held on November 3, 1914. Republican nominee George Alfred Carlson defeated Democratic nominee Thomas M. Patterson with 48.67% of the vote.
The 1932 United States Senate elections in Colorado took place on November 8, 1932. Incumbent Republican Senator Charles W. Waterman announced that he would not seek re-election to a second term. Attorney Karl C. Schuyler won the Republican nomination to succeed Waterman and faced former Senator Alva B. Adams, the Democratic nominee, in the general election.
