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 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 1972 United States Senate elections were held on November 7, with the 33 seats of Class 2 contested in regular elections. They coincided with the landslide re-election of Republican President Richard Nixon. Despite Nixon's landslide victory, Democrats increased their majority by two seats. The Democrats picked up open seats in Kentucky and South Dakota, and defeated four incumbent senators: Gordon Allott of Colorado, J. Caleb Boggs of Delaware, Jack Miller of Iowa, and Margaret Chase Smith of Maine. The Republicans picked up open seats in New Mexico, North Carolina, and Oklahoma, and defeated one incumbent, William B. Spong Jr. of Virginia.
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 1960 United States Senate elections coincided with the election of John F. Kennedy as president on November 8, 1960. The 33 seats of Class 2 were contested in regular elections. A special election was also held on June 28, 1960, for a mid-term vacancy in North Dakota where Democrats flipped a seat to expand their majority to 66–34. As Majority Leader Lyndon Johnson was elected Vice President, Mike Mansfield became the new majority leader.
The 1958 United States Senate elections were elections for the United States Senate which occurred in the middle of President Dwight D. Eisenhower's second term. Thirty-two seats of Class 1 were contested in regular elections, the new state of Alaska held its first Senate elections for its Class 2 and 3 seats, and two special elections were held to fill vacancies.
The 2006 United States Senate election in West Virginia was held November 7, 2006. Incumbent Democrat Robert Byrd won re-election to a ninth term. He was sworn in on January 3, 2007. However, he died in office on June 28, 2010, before the end of his term. This was Byrd's closest re-election.
The 1976 United States Senate election in West Virginia was held on November 2, 1976. Incumbent Democratic U.S. Senator Robert Byrd won re-election to a fourth term. The Republican Party did not field a candidate for this election, leading to a 100% election victory for Robert Byrd. Byrd's 566,359 votes is the most received by a Democrat in any statewide election in the state's history.
The 1960 United States Senate election in West Virginia was held on November 8, 1960. Incumbent Democratic U.S. Senator Jennings Randolph won re-election to a full term.
The 1966 United States Senate election in West Virginia was held on November 8, 1966. Incumbent Democratic U.S. Senator Jennings Randolph won re-election to a third term and a second full term.
The 1978 United States Senate election in West Virginia took place on November 7, 1978. Incumbent Democratic U.S. Senator Jennings Randolph was re-elected to a fifth term and a fourth full term in office, narrowly defeating Republican Arch Moore, a former Governor. Despite his defeat, Moore's daughter, Shelley Moore Capito, would later win election to this seat in 2014, becoming the first female Senator from the state. This was the closest Senate election in West Virginia from the five Senate elections in West Virginia that Jennings Randolph had won.
The 1984 United States Senate election in West Virginia was held on November 6, 1984. Incumbent Democratic U.S. Senator Jennings Randolph chose to retire instead of seeking re-election to a fifth term, and was succeeded by West Virginia Governor Jay Rockefeller, who defeated Republican John Raese in one of the closer races of the year.
The 1972 United States Senate election in Montana took place on November 7, 1972. Incumbent United States Senator Lee Metcalf, who was first elected to the Senate in 1960 and was re-elected in 1966, ran for re-election. After winning the Democratic primary, he moved on to the general election, where he faced Hank Hibbard, a State Senator and the Republican nominee. Following a close campaign, Metcalf managed to narrowly win re-election to his third term in the Senate over Hibbard. Montana was one of fifteen states alongside Alabama, Arkansas, Colorado, Delaware, Georgia, Iowa, Louisiana, Maine, Minnesota, Mississippi, New Hampshire, Rhode Island, South Dakota and West Virginia that were won by Republican President Richard Nixon in 1972 that elected a Democrat to the United States Senate.
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 6-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 1952 United States Senate election in Tennessee was held on November 4, 1952. Incumbent Democratic Senator and President pro tempore of the Senate Kenneth D. McKellar ran for re-election to a seventh term in office but was defeated in the Democratic primary by U.S. Representative Al Gore Sr. Gore easily won the general election against Republican Hobart Atkins.
The 1946 United States Senate election in Tennessee was held on November 5, 1946. Incumbent Democratic Senator Kenneth D. McKellar was re-elected to a sixth term in office. He defeated a primary challenge by Edward W. Carmack Jr. and easily won the general election against Republican William B. Ladd, and Independent candidate John Randolph Neal Jr.
The 1972 United States Senate election in South Dakota took place on November 7, 1972, concurrently with the U.S. presidential election as well as other elections to the United States Senate in other states as well as elections to the United States House of Representatives and various state and local elections.
The 1974 United States Senate election in South Dakota was held on November 5, 1974. Incumbent Democratic U.S. Senator George McGovern, who had lost the 1972 United States presidential election to Richard Nixon ran for reelection to a third term and won, despite having also lost his home state two years prior.
The 2016 West Virginia Senate elections were held on November 8, 2016, as part of the biennial United States elections. Seventeen of West Virginia's 34 state senators were up for regular selection, along with an unexpired term for another seat. West Virginia Senate districts each have two elected representatives. State senators serve staggered four-year terms in West Virginia, with one senator from each district up in even-numbered years corresponding to presidential election years, and the other up in even-numbered years corresponding to presidential midterm years.
