The 1980 United States Senate elections were held on November 4, coinciding with Ronald Reagan's victory in the presidential election. The 34 Senate seats of Class 3 were contested in regular elections. Reagan's large margin of victory over incumbent Jimmy Carter gave a huge boost to Republican Senate candidates, allowing them to flip 12 Democratic seats and win control of the chamber for the first time since the end of the 83rd Congress in January 1955.
The 1970 United States Senate elections was an election for the United States Senate. It took place on November 3, with the 33 seats of Class 1 contested in regular elections. Special elections were also held to fill vacancies. These races occurred in the middle of Richard Nixon's first term as president. The Democrats lost a net of three seats, while the Republicans and the Conservative Party of New York picked up one net seat each, and former Democrat Harry F. Byrd Jr. was re-elected as an independent.
The 1968 United States Senate elections were elections for the United States Senate. Held on November 5, the 34 seats of Class 3 were contested in regular elections. They coincided with the presidential election of the same year. The Republicans picked up five net seats in the Senate. This saw Republicans win a Senate seat in Florida for the first time since Reconstruction.
William John Bulow was an American politician and lawyer. He was the first Democratic Governor of South Dakota, serving from 1927 to 1931. He received the highest number of votes of any Democratic candidate for governor in the state up to that time. Bulow then went on to serve as a member of the United States Senate from South Dakota from 1931 to 1943.
William Henry McMaster was an American politician who served as the tenth Governor of South Dakota from 1921 until 1925. A member of the Republican Party, he went on to serve as a member of the United States Senate from South Dakota from 1925 to 1931.
The 1932 United States Senate election in South Dakota took place on November 8, 1932. Incumbent Republican Senator Peter Norbeck ran for re-election to a third term. After easily turning back a challenge from former State Senator Harry F. Brownell in the Republican primary, Norbeck faced attorney Ulysses Simpson Grant Cherry, the Democratic nominee, in the general election. Owing in part to Franklin D. Roosevelt's landslide victory in South Dakota, the race was much closer than it was in 1926, but Norbeck still defeated Cherry by a decisive margin to win his third, and final, term. Norbeck died in office on December 20, 1936, triggering a special election in 1938.
The 1904 South Dakota gubernatorial election was held on November 8, 1904. Incumbent Republican Governor Charles N. Herreid declined to run for re-election to a third term. Clark County State's Attorney Samuel H. Elrod won the Republican nomination to run as Herreid's successor, and he faced Democratic nominee Louis N. Crill, the former President of the State Senate, and former U.S. Congressman Freeman Knowles, the Socialist nominee. For the first time since 1894, the Democratic and Populist Parties nominated separate candidates. Ultimately, the split in the two parties did not prove dispositive; Elrod defeated Crill and the other candidates in a landslide.
The 1920 United States Senate election in South Dakota took place on November 2, 1920. Incumbent Democratic Senator Edwin S. Johnson declined to seek re-election to a second term. In the Democratic primary, attorney Ulysses Simpson Grant Cherry defeated former State Senator Louis Napoleon Crill and former U.S. Marshal Tom Taubman, while in the Republican primary, Governor Peter Norbeck defeated former State Supreme Court Justice Dick Haney. In the general election, Cherry and Norbeck faced a litany of independent candidates, including Nonpartisan League candidate Tom Ayres. Benefiting from the split in left-wing candidates, Norbeck won by a wide margin, with Ayres narrowly beating out Cherry for second place.
The 1956 United States Senate election in South Dakota took place on November 6, 1956. Incumbent Republican Senator Francis H. Case ran for re-election to a second term. In the general election, Case was opposed by former State Representative Kenneth Holum, who was the 1954 Democratic nominee for the U.S. Senate. Owing in part to anger among the state's farmers, the race between Case and Holum was quite close, with Holum leading Case on election night and only falling behind the next day. Case ended up narrowly winning re-election, defeating Holum by just 4,620 votes.
The 1950 United States Senate election in South Dakota took place on November 7, 1950. Incumbent Republican senator Chan Gurney ran for re-election to a third term. He was challenged in the Republican primary by Congressman Francis H. Case, who had represented the 2nd District since 1939. In the general election, Case faced John A. Engel, an attorney and the 1948 Democratic nominee for the U.S. Senate. As the Republican Party was making significant gains nationwide, Case defeated Engel in a landslide.
The 1914 United States Senate election in South Dakota took place on November 3, 1914. Incumbent Senator Coe I. Crawford, a Republican, sought re-election in his first popular election. He was defeated in the Republican primary by Congressman Charles H. Burke, the House Minority Whip. In the general election, he was narrowly defeated by Edwin S. Johnson, the 1912 Democratic nominee for Governor, who won a narrow plurality.
The 1918 United States Senate election in South Dakota took place on November 5, 1918. Incumbent Republican Senator Thomas Sterling sought re-election in his first popular election. He defeated former Governor Frank M. Byrne in the Republican primary and then faced former State Representative Orville Rinehart, the 1916 Democratic nominee for Governor, in the general election. Sterling defeated Rinehart, along with independent candidate W. T. Rafferty, by a wide margin to win re-election.
The 1930 United States Senate election in South Dakota took place on November 4, 1930. Incumbent Republican Senator William H. McMaster ran for re-election to a second term. After beating back a challenge in the Republican primary from former State Senator George J. Danforth, McMaster faced Democratic nominee William J. Bulow, the incumbent Governor, in the general election. As the Democratic Party performed well nationwide, Bulow narrowly defeated McMaster.
The 1962 United States Senate election in South Dakota took place on November 6, 1962. Incumbent Republican Senator Francis H. Case ran for re-election to a third term. He won the Republican primary against Attorney General A. C. Miller, but shortly after the primary, died. The Republican State Central Committee named Lieutenant Governor Joseph H. Bottum as Case's replacement on the ballot, and Governor Archie Gubbrud appointed Bottum to fill the vacancy caused by Case's death. In the general election, Bottum was opposed by Democratic nominee George McGovern, the Director of Food for Peace and the former U.S. Congressman from South Dakota's 1st congressional district. The contest between Bottum and McGovern was quite close, with McGovern narrowly defeating him for re-election by just 597 votes, making him the first Democrat to win a Senate election in South Dakota since William J. Bulow's win in 1936.
The 1938 United States Senate elections in South Dakota took place on November 8, 1938. Incumbent Republican Senator Peter Norbeck died in office on December 20, 1936. Herbert E. Hitchcock was appointed by Governor Tom Berry as Norbeck's replacement. Two elections for the same Senate seat were held on the same day; one as a special election to fill the remainder of Norbeck's six-year term, and another to select a Senator to serve the next six-year term.
The 1920 South Dakota gubernatorial election was held on November 2, 1920. Incumbent Republican Governor Peter Norbeck declined to run for re-election, instead choosing to run for the U.S. Senate. Lieutenant Governor William H. McMaster won the Republican primary and advanced to the general election, where he faced Nonpartisan League candidate Mark P. Bates and former State Senator William W. Howes, the Democratic nominee. The election was largely a replay of the 1918 election, with McMaster winning a large victory, Bates coming in second, and Howes coming in a distant third.
The 1922 South Dakota gubernatorial election was held on November 7, 1922. Incumbent Republican Governor William H. McMaster ran for re-election to a second term. After beating back a challenge in the Republican primary from perennial candidate George W. Egan, McMaster advanced to the general election, where he faced former State Senate President Louis N. Crill, the Democratic nominee, and suffragist Alice Lorraine Daly, the Nonpartisan League's nominee, and the first woman to run for governor. McMaster won by a large margin, but the race was considerably narrower than the 1920 election.
The 1924 South Dakota gubernatorial election was held on November 4, 1924. Incumbent Republican Governor William H. McMaster declined to run for re-election to a third term, instead opting to run for the U.S. Senate. Lieutenant Governor Carl Gunderson won the Republican primary unopposed. In the general election, he faced three prominent opponents: Democratic nominee William J. Bulow, a former State Senator and Mayor of Beresford; Farmer–Labor nominee A. L. Putnam; and perennial candidate Richard O. Richards. Gunderson. With the left-leaning vote split, Gunderson won the election in a landslide.
The 1938 South Dakota gubernatorial election was held on November 8, 1938. Incumbent Republican Governor Leslie Jensen declined to seek re-election and instead unsuccessfully ran for the U.S. Senate. Harlan J. Bushfield, the former Chairman of the South Dakota Republican Party, won the Republican primary to succeed Jensen. In the general election, he faced Democratic nominee Oscar Fosheim, a State Representative from Miner County, in the general election. Bushfield defeated Fosheim by a relatively close margin, winning his first term as governor.
The 1932 Illinois gubernatorial election was held on November 8, 1932. It saw the election of Democrat Thomas Donavan, who defeated incumbent Republican liuetenant governor Fred E. Sterling.
