The 1990 United States Senate elections were held on Tuesday, November 6, 1990, with the 33 seats of Class 2 contested in regular elections. Special elections were also held to fill vacancies. The Democratic Party increased its majority with a net gain of one seat from the Republican Party. The election cycle took place in the middle of President George H. W. Bush's term, and, as with most other midterm elections, the party not holding the presidency gained seats in Congress.
The 1984 United States Senate elections were held on November 6, with the 33 seats of Class 2 contested in regular elections. They coincided with the landslide re-election of President Ronald Reagan in the presidential election. In spite of the lopsided presidential race, Reagan's Republican Party suffered a net loss of two Senate seats to the Democrats, although it retained control of the Senate with a reduced 53–47 majority. Democrats defeated incumbents in Illinois and Iowa, and won an open seat in Tennessee, while Republicans defeated an incumbent in Kentucky.
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 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 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.
The 1980 United States Senate election in Georgia was held on November 4, 1980. Incumbent Democratic U.S. Senator and former Governor of Georgia Herman Talmadge ran for reelection to a fifth term, but lost narrowly to Mack Mattingly, Chairman of the Georgia Republican Party.
The 2010 congressional elections in Oklahoma were held on November 2, 2010, to determine who would represent the state of Oklahoma in the United States House of Representatives. Oklahoma has five seats in the House, apportioned according to the 2000 United States census. This election was the final one held in which Congressional districts apportioned according to the 2000 U.S. census data. Representatives are elected for two-year terms; those elected serve in the 112th Congress from January 3, 2011 until January 3, 2013.
The 2012 congressional elections in Oklahoma were held on November 6, 2012, to determine who would represent the state of Oklahoma in the United States House of Representatives. Oklahoma has five seats in the House, apportioned according to the 2010 United States census. Representatives are elected for two-year terms; those elected will serve in the 113th Congress from January 3, 2013, until January 3, 2015.
The 2016 United States Senate election in Oklahoma was held November 8, 2016 to elect a member of the United States Senate to represent the State of Oklahoma, concurrently with the 2016 U.S. presidential election, as well as other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections. The primaries were held June 28.
The 2014 United States House of Representatives elections in Oklahoma were held on Tuesday, November 4, 2014, to elect the five U.S. representatives from the state of Oklahoma, one from each of the state's five congressional districts. The elections coincided with other elections to the United States Senate and House of Representatives and various state and local elections, including the Governor of Oklahoma and both of Oklahoma's United States Senate seats. Primary elections were held on June 24, 2014. Primary runoffs were held on August 26, 2014, in contests where no candidate won more than 50% of the vote.
The 2014 United States Senate special election in Oklahoma took place on November 4, 2014, to elect a member of the United States Senate to represent the State of Oklahoma, concurrently with the regularly-scheduled election to Oklahoma's other Senate seat, as well as other elections to the United States Senate in other states and elections to the United States House of Representatives and various state and local elections.
The 2016 United States House of Representatives elections in Oklahoma occurred on November 8, 2016. Voters determined five candidates to serve in the U.S. House, one from each of the state's five congressional districts. The primaries were held on June 28.
The 1964 United States Senate election in Texas was held on November 3, 1964. Incumbent Democratic US Senator Ralph Yarborough defeated future US President George H. W. Bush handily. This would prove to be Yarborough's final term as a senator. Bush later went on to win an election for the US House of Representatives in 1966 and was subsequently elected US Vice President in 1980, re-elected in 1984, and was elected president in 1988.
The 2018 Oklahoma gubernatorial election was held on November 6, 2018. Businessman Kevin Stitt was elected governor, succeeding fellow Republican Mary Fallin, who was term-limited. Primary elections occurred on June 26, 2018, with primary runoff elections having occurred on August 28, 2018.
The 2018 United States House of Representatives elections in Oklahoma were held on November 6, 2018, to elect the five U.S. representatives from the state of Oklahoma, one from each of the state's five congressional districts. The elections coincided with other elections to the House of Representatives, elections to the United States Senate and various state and local elections. Primary elections were held on June 26 and runoff elections were held two months later on August 28. The state’s U.S. House delegation Republican majority changed from 5-0 to 4-1. As of 2023 this is the only time since 2010 that Democrats won any house race in Oklahoma.
The 1978 United States Senate election in Oklahoma took place on November 7, 1978. Incumbent Republican Senator Dewey F. Bartlett retired, leaving the seat vacant. He was succeeded by popular Democratic Governor David Boren.
The 1982 United States Senate election in Missouri was held on November 2, 1982.
The 2020 United States House of Representatives elections in Oklahoma were held on November 3, 2020, to elect the five U.S. representatives from the state of Oklahoma, one from each of the state's five 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 2022 Oklahoma Senate general election were held on November 8, 2022. The primary elections for the Republican, Democratic, and Libertarian parties' nominations took place on June 28, 2022. Runoff primary elections, if no candidate received 50% in the June 28 vote, took place on August 23. All candidates had to file between the days of April 13–15, 2022. Oklahoma voters elected state senators in 24 of the state's 48 Senate districts. State senators served four-year terms in the Oklahoma Senate.
The 2022 United States Senate special election in Oklahoma was held on November 8, 2022, to elect a member of the United States Senate for Oklahoma. The election took place concurrently with the regularly scheduled election for Oklahoma's other Senate seat. The candidate filing deadline was between April 13–15, 2022.
Government 
