The 2006 United States Senate elections were held on November 7, 2006, with all 33 Class 1 Senate seats being contested. The term of office for those elected in 2006 ran from January 3, 2007, to January 3, 2013. Prior to the election, the Republican Party controlled 55 of the 100 Senate seats.
The 2008 United States Senate elections were held on November 4, 2008, with 35 of the 100 seats in the Senate being contested. Thirty-three seats were up for regular elections; the winners were eligible to serve six-year terms from January 3, 2009, to January 3, 2015, as members of Class 2. There were also two special elections, the winners of those seats would finish the terms that ended January 3, 2013. The presidential election, which was won by Democrat Barack Obama, elections for all House of Representatives seats; elections for several gubernatorial elections; and many state and local elections occurred on the same date.
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 2006 United States House of Representatives elections were held on November 7, 2006, to elect members to the United States House of Representatives. It took place in the middle of President George W. Bush's second term in office. All 435 seats of the House were up for election. Those elected served in the 110th United States Congress from January 3, 2007, until January 3, 2009. The incumbent majority party, the Republicans, had won majorities in the House consecutively since 1994, and were defeated by the Democrats who won a majority in the chamber, ending 12 years of Republican control in the House.
Elections to the 48th Arizona Legislature were held on November 7, 2006. Primary elections to determine political party nominees were held on September 12, 2006. The two candidates with the highest vote count in each primary advanced to the November election.
The 2012 United States Senate elections were held on November 6, 2012, with 33 of the 100 seats in the Senate, all Class 1 seats, being contested in regular elections whose winners would serve six-year terms beginning January 3, 2013, with the 113th Congress. Democrats had 21 seats up for election, plus 1 Independent and 1 Independent Democrat, while the Republicans had only 10 seats up for election. The presidential election, elections to the House of Representatives, elections for governors in 14 states and territories, and many state and local elections were also held on the same day.
The 2008 United States Senate election in Alabama was held on November 4, 2008, to elect one of Alabama's members to the United States Senate. Incumbent Republican U.S. Senator Jeff Sessions won re-election to a third term.
Elections for the 75th Oregon Legislative Assembly took place in 2008. The Republican and Democratic primary elections were on May 20, 2008, and the general election was held on November 4, 2008. Fifteen of the Oregon State Senate's thirty seats were up for election, as were all 60 seats of the Oregon House of Representatives.
The 2008 congressional elections in Connecticut were held on November 4, 2008, to determine who will represent the state of Connecticut in the United States House of Representatives, coinciding with the presidential election. Representatives are elected for two-year terms; those elected will serve in the 111th Congress from January 3, 2009, until January 3, 2011.
The 2008 United States presidential election in Connecticut took place on November 4, 2008, and was part of the 2008 United States presidential election. Voters chose seven representatives, or electors to the Electoral College, who voted for president and vice president.
The 2010 United States House of Representatives elections in Connecticut took place on Tuesday, November 2, 2010 to elect the five Congressional representatives from the state, one from each of the state's five Congressional districts. The elections coincided with the elections of other federal and state offices, including governor, U.S. Senate, and state legislature races.
The 2010 Connecticut Senate election was held on Tuesday, November 2, 2010 to elect members to the Connecticut State Senate, one from each of the state's 36 Senatorial districts. The date of this the election corresponded with other elections in the state, including ones for governor, U.S. Senate, and the Connecticut House of Representatives.
Elections were held in Maryland on Tuesday, November 2, 2010. Primary elections were held on September 14, 2010.
The 2012 U.S. House of Representatives elections in Connecticut were held on Tuesday, November 6, 2012, to elect the five congressional representatives from the state, one from each of the state's five congressional districts. The elections coincided with the elections of other federal and state offices, including a quadrennial presidential election, a U.S. Senate election, and state legislature races.
The Connecticut Senate election, 2008 was held on November 4, 2008 to elect Senators to the Connecticut State Senate for the term which began in January 2009 and ended in January 2011. The election occurred on the same date as other federal and state elections, including the quadrennial U.S. presidential election.
The 2018 United States Senate elections were held on November 6, 2018. Among the 100 seats, the 33 of Class 1 were contested in regular elections while two others were contested in special elections due to Senate vacancies in Minnesota and Mississippi. The winners were elected to six-year terms running from January 3, 2019, to January 3, 2025. Senate Democrats had 26 seats up for election, while Senate Republicans had nine seats up for election.
The 2020 United States Senate elections were held on November 3, 2020, with the 33 class 2 seats of the Senate contested in regular elections. Of these, 21 were held by Republicans, and 12 by Democrats. The winners were elected to six-year terms from January 3, 2021, to January 3, 2027. Two special elections for seats held by Republicans were also held in conjunction with the general elections: one in Arizona, to fill the vacancy created by John McCain's death in 2018; and one in Georgia, following Johnny Isakson's resignation in 2019. These elections ran concurrently with the 2020 United States presidential election in which incumbent President Donald Trump lost to Democratic nominee Joe Biden.
The 2018 Connecticut Senate election was held on November 6, 2018, concurrently with the elections for the Connecticut House of Representatives, to elect members to the Connecticut General Assembly. All 36 seats in the Connecticut Senate were up for election. The election resulted in Democrats expanding control in both chambers of the Connecticut General Assembly, ending the split control in the Senate, that had been in place since the 2016 elections. Primary elections were held on August 14, 2018.
The 2020 Connecticut State Senate election took place on November 3, 2020. Part of the biennial 2020 United States elections. Connecticut voters elected senators in all of the 36 State Senate districts. State senators serve two-year terms in the Connecticut State Senate, with all 36 of the seats up for election each cycle. The Primary Elections on August 11, 2020, determined which candidates appeared on the ballot for the general election. Four primary elections were cancelled, including three Republican primary elections. As a result, four Incumbent candidates ran uncontested.
The 2022 Vermont Senate election took place on November 8, 2022, as part of the biennial United States elections. The election coincided with elections for other offices including the U.S. Senate, U.S. House, Governor, and State House. Vermont voters elected all 30 state senators from 16 districts, with each district electing between one and three senators. State senators serve two-year terms in the Vermont Senate. Primary elections were held on August 9, 2022. This election will be the first to use new districts adopted by the Vermont General Assembly to allocate for population changes across the state after the 2020 census.
