The 1988 United States Senate elections were elections for the United States Senate. Held on November 8, the 33 seats of Class 1 were contested in regular elections. In spite of the Republican victory by George H. W. Bush in the presidential election, the Democrats gained a net of one seat in the Senate. Seven seats changed parties, with four incumbents being defeated. The Democratic majority in the Senate increased by one to 55–to–45.
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 1952 United States Senate elections was an election for the United States Senate which coincided with the election of Dwight D. Eisenhower to the presidency by a large margin. The 32 Senate seats of Class 1 were contested in regular elections, and three special elections were held to fill vacancies. The Republicans took control of the Senate by managing to make a net gain of two seats. However, Wayne Morse (R-OR) became an independent forcing Republicans to rely on Vice President Richard Nixon's tie-breaking vote, although Republicans maintained a 48–47–1 plurality. Throughout the next Congress, Republicans were able to restore their 49–46–1 majority. This was the third time, as well as second consecutive, in which a sitting Senate leader lost his seat.
The 1916 United States Senate elections were elections that coincided with the re-election of President Woodrow Wilson. This was the first election since the enactment of the Seventeenth Amendment that all 32 Class 1 Senators were selected by direct or popular elections instead of state legislatures. Republicans gained a net of two seats from the Democrats, and then a furthered seat through mid-term vacancies thereby reducing Democrats to a 53-43 majority.
The 2008 United States Senate election in Texas was held on November 4, 2008. Incumbent Republican John Cornyn defeated Democratic nominee Rick Noriega, a member of the Texas House of Representatives, to win re-election to a second term in office.
The 1934 United States Senate election in Texas was held on November 4, 1934. Incumbent Democratic U.S. Senator Tom Connally was re-elected to a second term. Connally fended off a competitive primary challenge from U.S. Representative Joseph Weldon Bailey Jr. on July 28 before facing only nominal opposition in the general election.
The 1982 United States Senate election in Texas took place on November 2, 1982. Incumbent Democratic U.S. Senator Lloyd Bentsen won re-election to a third term in office, defeating Republican U.S. Representative James M. Collins.
The 1920 United States Senate election in Arizona took place on November 2, 1920. Incumbent Democratic U.S. Senator Marcus A. Smith ran for reelection to a third term, but was defeated by former Delegate to the U.S. House of Representatives from the Arizona Territory Ralph H. Cameron in the general election. Cameron would become the first Republican elected to the office of U.S. Senator from Arizona since the state joined the union in 1912. The same year, Republican Governor Thomas Edward Campbell was reelected to a second term.
The 1970 United States Senate election in Texas was held on November 3, 1970. Incumbent Democratic U.S. Senator Ralph Yarborough was defeated by former U.S. Representative Lloyd Bentsen in the Democratic primary. Bentsen then defeated Republican U.S. Representative and future president George H. W. Bush in the general election. When Bush was running for president in 1988, his Democratic opponent, Massachusetts Governor Michael Dukakis, selected Bentsen as his vice presidential running mate.
The 1942 United States Senate election in Texas was held on November 3, 1942. Incumbent Democratic U.S. Senator W. Lee "Pappy" O'Daniel was re-elected to a second term.
The 1958 United States Senate election in Texas was held on November 4, 1958. Incumbent Democratic U.S. Senator Ralph Yarborough won a competitive primary against former Senator William Blakley and handily defeated newspaper publisher Roy Whittenburg in the general election.
The 1916 United States Senate election in Indiana took place on November 7, 1916. Incumbent Democratic U.S. Senator and Senate Majority Leader John W. Kern ran for re-election to a second term in office, he was defeated by Republican Harry New, a former Chairman of the Republican National Committee.
The 1916 United States Senate election in Maryland was held on November 7, 1916.
The 1922 United States Senate election in Texas was held on November 7, 1922. Incumbent Democratic U.S. Senator Charles Culberson ran for re-election to a fifth term, but lost the Democratic primary. A runoff was held between former Governor Pa Ferguson and Railroads Commissioner Earle Bradford Mayfield.
The 1924 United States Senate election in Texas was held on November 4, 1924. Incumbent Democratic U.S. Senator Morris Sheppard was re-elected to a third term in office, easily dispatching his challengers.
The 1928 United States Senate election in Texas was held on November 6, 1928. Incumbent Democratic U.S. Senator Earle Mayfield ran for re-election to a second term.
The 1940 United States Senate election in Texas was held on November 5, 1940. Incumbent Democratic U.S. Senator Tom Connally was re-elected to his third term in office, with only minor opposition in the Democratic primary and general elections.
The 1946 United States Senate election in Texas was held on November 5, 1946. Incumbent Democratic U.S. Senator Tom Connally was re-elected to his fourth term in office, with only minor opposition in the Democratic primary and general elections.
The 1912 Texas gubernatorial election was held on November 5, 1912, in order to elect the Governor of Texas. Incumbent Democratic governor Oscar Branch Colquitt easily won re-election to a second term, defeating his token opposition from various other parties.
The 1910 Texas gubernatorial election was held on November 8, 1910, in order to elect the Governor of Texas. Democrat Oscar Branch Colquitt, a member of the Texas Railroad Commission, won re-election to his first term as Governor of Texas.
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