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The 1920 United States Senate election in California was held on November 6, 1920. Incumbent Democratic Senator James Duval Phelan ran for re-election but was defeated by Republican attorney Samuel Morgan Shortridge.
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Samuel Morgan Shortridge | 132,165 | 40.40% | |
| Republican | William Kent | 110,269 | 33.71% | |
| Republican | Albert Joseph Wallace | 84,711 | 25.89% | |
| Total votes | 327,145 | 100.00% | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Samuel Morgan Shortridge | 447,835 | 49.01% | |
| Democratic | James Duval Phelan (incumbent) | 371,580 | 40.67% | |
| Prohibition | James S. Edwards | 57,768 | 6.32% | |
| Socialist | Elvina S. Beals | 36,545 | 4.00% | |
| Total votes | 886,013 | 100.00% | ||
Samuel Morgan Shortridge was a Republican Senator from California.
The 1986 United States Senate elections were elections for the United States Senate. Held on November 4, in the middle of Ronald Reagan's second presidential term, the 34 seats of Class 3 were contested in regular elections. The Republicans had to defend an unusually large number of freshman Senate incumbents who had been elected on President Ronald Reagan's coattails in 1980. Democrats won a net of eight seats, defeating seven freshman incumbents, picking up two Republican-held open seats, and regaining control of the Senate for the first time since January 1981. This remains the most recent midterm election cycle in which the sitting president's party suffered net losses while still flipping a Senate seat.
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. This was the first time since 1966 that any party successfully defended all their own seats.
The 1978 United States Senate elections were held on November 7, in the middle of Democratic President Jimmy Carter's term. The 33 seats of Class 2 were contested in regular elections. Special elections were also held to fill vacancies.
The 1976 United States Senate elections was an election for the United States Senate. Held on November 2, the 33 seats of Class 1 were contested in regular elections. They coincided with Democrat Jimmy Carter's presidential election and the United States Bicentennial celebration. Although almost half of the seats decided in this election changed parties, Carter's narrow victory did not provide coattails for the Democratic Party. Each party flipped seven Senate seats, although, one of the seats flipped by Democrats was previously held by a Conservative.
The 1966 United States Senate elections were elections on November 8, 1966, for the United States Senate which occurred midway through the second term of President Lyndon B. Johnson. The 33 seats of Class 2 were contested in regular elections. Special elections were also held to fill vacancies. With divisions in the Democratic base over the Vietnam War, and with the traditional mid-term advantage of the party not holding the presidency, the Republicans took three Democratic seats, thereby breaking Democrats' 2/3rds supermajority. Despite Republican gains, the balance remained overwhelmingly in favor of the Democrats, who retained a 64–36 majority. Democrats were further reduced to 63–37, following the death of Robert F. Kennedy in June 1968.
The 1964 United States Senate elections were held on November 3. The 33 seats of Class 1 were contested in regular elections. Special elections were also held to fill vacancies. They coincided with the election of President Lyndon B. Johnson by an overwhelming majority, to a full term. His Democratic Party picked up a net two seats from the Republicans. As of 2023, this was the last time either party has had a two-thirds majority in the Senate, which allowed the Senate Democrats to override a veto, propose constitutional amendments, or convict and expel certain officials without any votes from Senate Republicans. However, internal divisions would have prevented the Democrats from having done so. The Senate election cycle coincided with Democratic gains in the House in the same year.
The 1914 United States Senate elections were held on November 3, 1914. These were the first regularly scheduled elections held following the ratification of the Seventeenth Amendment to the United States Constitution in 1913, which required that all seats up for election be popularly elected, rather than chosen by their state legislatures. Thus, it was the first time that elections were generally scheduled on Election Day to coincide with the U.S. House elections. The 32 seats of Class 3 were contested in regular elections in 1914. Special elections were also held to fill vacancies. These elections occurred in the middle of Democratic President Woodrow Wilson's first term.
The 1980 United States Senate election in California took place on November 4, 1980. Incumbent Democrat U.S. Senator Alan Cranston easily won re-election to a third term, even as the state's former Republican governor, Ronald Reagan, won a landslide victory in the concurrent presidential election, and a target of the National Conservative Political Action Committee.
The 1976 United States Senate election in California took place on November 2, 1976. Incumbent Democratic U.S. Senator John V. Tunney ran for re-election to a second term, but was defeated by Republican S. I. Hayakawa. As of 2024, this is the last time an incumbent Democratic Senator from California lost re-election.
The 1932 United States Senate election in California was held on November 2, 1932. Incumbent Republican Senator Samuel Morgan Shortridge ran for a third term in office, but lost a highly competitive four-way Republican primary to Tallant Tubbs, who ran as a "wet" or anti-prohibition candidate.
The 1914 United States Senate election in Ohio was held on November 3, 1914. Republican nominee Warren G. Harding, future President of the United States, defeated Democratic nominee Timothy S. Hogan and Progressive Arthur L. Garford to succeed retiring incumbent Republican senator Theodore E. Burton.
The 1914 United States Senate election in California was held on November 3, 1914. Incumbent Republican Senator George Clement Perkins did not run for re-election.
The 1926 United States Senate election in Illinois took place on November 2, 1926.
The 1952 United States Senate election in Wisconsin was held on November 4, 1952.
The 1922 United States Senate election in Missouri was held on November 7, 1922. Incumbent Democratic U.S. Senator James A. Reed was re-elected to a third term over Republican R. R. Brewster.
The 1922 United States Senate election in Minnesota took place on November 7, 1922. Farmer–Labor challenger Henrik Shipstead defeated incumbent Republican U.S. Senator Frank B. Kellogg and Democratic challenger Anna Dickie Olesen.
The 1926 United States Senate election in California was held on November 2, 1926. Incumbent Republican Senator Samuel Morgan Shortridge was re-elected to a second term.
The 1930 United States Senate election in Minnesota was held on Tuesday November 4, Incumbent Senator Thomas D. Schal defeated Einar Hoidale of the Minnesota Democratic Party and Forner United States Representative Ernest Lundeen of the Farmer–Labor Party of Minnesota to win a second term.
The 1916 United States Senate election in New York was held on November 7, 1916. Incumbent Democratic Senator James O'Gorman chose not to seek re-election. Republican William M. Calder was elected to a succeed O'Gorman, defeating Democrat William F. McCombs.
