The 2004 United States House of Representatives elections were held on November 2, 2004 to elect all 435 seats of the chamber. It coincided with the re-election of President George W. Bush as well as many Senate elections and gubernatorial elections. Prior to the election in the 108th Congress, Republicans held 227 seats, Democrats held 205, with two Republican vacancies and one independent. As a result of this election, the 109th Congress began composed of 232 Republicans, 201 Democrats, one independent, and one vacancy.
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.
Split-ticket voting is when a voter in an election votes for candidates from different political parties when multiple offices are being decided by a single election, as opposed to straight-ticket voting, where a voter chooses candidates from the same political party for every office up for election. Split-ticket voting can occur in certain mixed-member systems which allow for it, such as mixed-member proportional and parallel voting systems.
The 2008 United States elections were held on Tuesday, November 4, 2008, during the war on terror and the onset of the Great Recession. It was a considered a Democratic wave election, with Democratic Senator Barack Obama of Illinois defeating Senator John McCain of Arizona by a wide margin, and the Democrats bolstering their majorities in both chambers of Congress.
The 2010 United States elections were held on Tuesday, November 2, 2010, in the middle of Democratic President Barack Obama's first term. Republicans ended unified Democratic control of Congress and the presidency by winning a majority in the House of Representatives and gained seats in the Senate despite Democrats holding Senate control.
The 1948 United States elections were held on November 2, 1948. The election took place during the beginning stages of the Cold War. Democratic incumbent President Harry S. Truman was elected to a full term in an upset, defeating Republican nominee New York Governor Thomas E. Dewey and two erstwhile Democrats. The Democrats won back control of Congress from the Republicans. Until 2020, Democrats would never again flip a chamber of Congress in a presidential election cycle.
The 2002 United States elections were held on November 5, in the middle of Republican President George W. Bush's first term. Republicans won unified control of Congress, picking up seats in both chambers of Congress, making Bush the first President since Franklin D. Roosevelt in 1934 to gain seats in both houses of Congress. In the gubernatorial elections, Democrats won a net gain of one seat. The elections were held just a little under fourteen months after the September 11 attacks. Thus, the elections were heavily overshadowed by the War on Terror, the impending Iraq War, the early 2000s recession, and the sudden death of Democratic Senator Paul Wellstone of Minnesota about one week before the election.
The 2000 United States elections were held on November 7, 2000. Republican Governor George W. Bush of Texas defeated Democratic Vice President Al Gore of Tennessee in the presidential election. Republicans retained control of both houses of Congress, giving the party unified control of Congress and the presidency for the first time since the 1954 elections.
The 1996 United States elections were held on November 5. Democratic President Bill Clinton won re-election, while the Republicans maintained their majorities in both houses of the United States Congress.
The 2018 United States elections were held on Tuesday, November 6, 2018. These midterm elections occurred during Incumbent Republican President Donald Trump's term. Although the Republican Party increased its majority in the Senate, unified Republican control of Congress and the White House was brought to an end when the Democratic Party won control of the House of Representatives in what was widely characterized as a "blue wave" election.
The 2017 United States elections were held, in large part, on Tuesday, November 7, 2017. This off-year election featured gubernatorial elections in Virginia and New Jersey, as well as state legislative elections in both houses of the New Jersey Legislature and in the Virginia House of Delegates. Numerous citizen initiatives, mayoral races, and a variety of other local elections also occurred. Special elections were also held for one seat of the U.S. Senate, representing Alabama, and six seats of the U.S. House of Representatives. The Democrats picked up the governorship in New Jersey and the Alabama Senate seat that was up for a special election. The governorship in Virginia and the six House seats that were up for special elections did not change party hands.
The 2018 Colorado House of Representatives elections took place as part of the biennial United States elections. Colorado voters elected state representatives in all 65 of the state house's districts. State representatives serve two-year terms in the Colorado House of Representatives. The Colorado Reapportionment Commission provides a statewide map of the state House here, and individual district maps are available from the U.S. Census here.
The 2018 Colorado State Senate elections took place as part of the biennial United States elections. Colorado voters elected state senators in 17 of the 35 districts in the state senate. State senators serve four-year terms in the Colorado State Senate. The Colorado Reapportionment Commission provides a statewide map of the state Senate here, and individual district maps are available from the U.S. Census here.
The 2018 New Mexico House of Representatives election took place as part of the biennial United States elections. New Mexico voters elected state representatives in all 70 of the state house's districts. State representatives serve two-year terms in the New Mexico House of Representatives.
The 2018 Alabama Senate elections took place on November 3, 2018, as part of the 2018 United States elections. Alabama voters elected state senators in all 35 of the state's Senate districts. State senators serve four-year terms in the Alabama Senate.
The 2018 New Hampshire Senate election was held on November 6, 2018, concurrently with the elections for the New Hampshire House of Representatives, to elect members to the 166th New Hampshire General Court. All 24 seats in the New Hampshire Senate were up for election. It resulted in Democrats gaining control of both chambers of the New Hampshire General Court, ending the total control of New Hampshire's state government, that Republicans had held in New Hampshire since the 2016 state elections.
Elections were held in Illinois on Tuesday, November 7, 1972.
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 2016 New Hampshire Senate election was held on November 8, 2016, concurrently with the elections for the New Hampshire House of Representatives, to elect members to the 165th New Hampshire General Court. All 24 seats in the New Hampshire Senate were up for election. It resulted in Republicains maintaining control of both chambers of the New Hampshire General Court.
The 2018 Maryland House of Delegates elections were held on November 6, 2018, as part of the biennial United States elections. All 141 of Maryland's state delegates were up for reelection.
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