The 1996 United States Senate elections were held on November 5, 1996, with the 33 seats of Class 2 contested in regular elections. Special elections were also held to fill vacancies. They coincided with the presidential election of the same year, in which Democrat Bill Clinton was re-elected president.
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. This was the first time since 1980 that any party successfully defended all their own seats, and the first time Democrats did so since 1958.
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.
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 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.
Allen C. Kolstad was an American politician from Montana. A Republican from Chester in Liberty County, Montana, he was prominent in state politics for more than 40 years, beginning in 1968 with his election to the state House of Representatives. He served in the state House and later the Senate for 20 years until he was elected the 25th Lieutenant Governor of Montana on the ticket headed by Stan Stephens in 1988.
Arnold Olsen was a U.S. Democratic politician who served as the Attorney General of Montana from 1949 to 1957, and as a member of the United States House of Representatives from Montana's 1st congressional district from 1961 to 1971.
The 2008 United States Senate election in Montana was held on November 4, 2008. Incumbent Senator Max Baucus won re-election to a sixth term in a landslide, winning more than 70% of the vote and carrying every county in the state, despite Republican John McCain's narrow victory in the state in the concurrent presidential election. Baucus later resigned his seat on February 6, 2014, after the Senate confirmed him to be U.S. Ambassador to China, having already announced his intention to retire at the end of term on April 23, 2013. As of 2024, this is the last time Democrats won the Class 2 Senate seat in Montana.
Michael R. Cooney is an American politician who served as the 36th lieutenant governor of Montana from 2016 to 2021. He previously served in the Montana House of Representatives (1977–1981), as the secretary of state of Montana (1989–2001), in the Montana Senate (2003–2011), as the president of the Montana Senate (2007–2009) and ran unsuccessfully for Governor of Montana in 2000. Cooney was the Democratic nominee for governor of Montana in the 2020 election, losing to Republican U.S. Representative Greg Gianforte.
The 2014 United States Senate elections were held on November 4, 2014. A total of 36 seats in the 100-member U.S. Senate were contested. 33 Class 2 seats were contested for regular 6-year terms to be served from January 3, 2015, to January 3, 2021, and 3 Class 3 seats were contested in special elections due to Senate vacancies. The elections marked 100 years of direct elections of U.S. senators. Going into the elections, 21 of the contested seats were held by the Democratic Party, while 15 were held by the Republican Party.
The 1988 United States Senate election in Montana took place on November 8, 1988. Incumbent United States Senator John Melcher, who was first elected to the Senate in 1976 and was re-elected in 1982, ran for re-election. After winning the Democratic primary, he faced Yellowstone County Commissioner Conrad Burns in the general election, and a grueling campaign followed. Ultimately, Melcher was narrowly defeated in his bid for re-election by Burns, who became the first Republican Senator from Montana in 36 years since Zales Ecton lost re-election in 1952.
The 1996 United States Senate election in Montana took place on November 5, 1996. Incumbent United States Senator Max Baucus, who was first elected in 1978 and was re-elected in 1984 and 1990, ran for re-election. He was unopposed in the Democratic primary, and moved on to the general election, where he faced a stiff challenge in Denny Rehberg, the Lieutenant Governor of Montana and the Republican nominee. Despite Bob Dole's victory over Bill Clinton and Ross Perot in the state that year in the presidential election, Baucus managed to narrowly win re-election over Rehberg to secure a fourth term in the Senate.
The 2014 United States Senate election in Montana took place on November 4, 2014, to elect a member of the United States Senate from Montana, concurrently with 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.
John Edward Walsh is an American real estate agent, former politician and former military officer who served as a United States Senator from Montana from 2014 to 2015. A member of the Democratic Party, he previously served as a colonel in the Army National Guard, the adjutant general of the Montana National Guard with a state commission as a brigadier general from 2008 to 2012 and the 34th Lieutenant Governor of Montana from 2013 to 2014 under Governor Steve Bullock.
The 2014 congressional election in Montana was held on November 4, 2014, to elect the U.S. representative from Montana's at-large congressional district. Between 1993 and 2023, Montana had one at-large seat in the House.
The 1930 United States Senate election in Montana took place on November 3, 1936. Incumbent United States Senator James E. Murray, who was first elected to the Senate in a special election in 1934, ran for re-election. He narrowly emerged from a competitive and close Democratic primary, wherein he was challenged by United States Congressman Joseph P. Monaghan, who represented Montana's 1st congressional district. In the general election, Murray was opposed by Thomas O. Larson, a State Senator and the Republican nominee, and Monaghan, who, after losing the primary, ran as an independent candidate. Murray ended up winning a second term, and his first full term, in a landslide, defeating both of his opponents by a comfortable margin.
The 1978 United States Senate election in Montana took place on November 7, 1978. Following the death of United States Senator Lee Metcalf on January 12, 1978, Montana Supreme Court Chief Justice Paul G. Hatfield was appointed to serve for the remainder of Metcalf's term. Hatfield opted to run for a full term, but was overwhelmingly defeated in the Democratic primary by U.S. Representative Max Baucus of the 1st congressional district. Baucus advanced to the general election, where he was opposed by the Republican nominee, author Larry R. Williams. Baucus ended up defeating Williams by a solid margin to win his first term in the Senate, and, following Hatfield's resignation on December 12, 1978, he began serving his first term in the Senate.
The 1984 United States Senate election in Montana took place on November 6, 1984. Incumbent United States Senator Max Baucus, who was first elected in 1978, ran for re-election. He easily won renomination in the Democratic primary, and advanced to the general election, where he faced Chuck Cozzens, a former State Representative and the Republican nominee. Despite President Ronald Reagan's strong performance in the state that year, Baucus was able to easily win a second term over Cozzens.
