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 County results Smith: 50–60% 60–70% 70–80% Violette: 50–60% | |||||||||||||||||
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| Elections in Maine |
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The 1966 United States Senate election in Maine was held on November 8, 1966. Incumbent Republican U.S. Senator Margaret Chase Smith was re-elected to a fourth term over Democratic State Senator Elmer H. Violette.
Senator Smith was unopposed for renomination
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Republican | Margaret Chase Smith (inc.) | 85,437 | 100.00% | |
| Total votes | 85,437 | 100.00% | ||
| Party | Candidate | Votes | % | |
|---|---|---|---|---|
| Democratic | Elmer H. Violette | 23,259 | 45.17% | |
| Democratic | Plato Truman | 19,844 | 38.54% | |
| Democratic | Jack L. Smith | 8,386 | 16.29% | |
| Total votes | 51,489 | 100.00% | ||
| Party | Candidate | Votes | % | ±% | |
|---|---|---|---|---|---|
| Republican | Margaret Chase Smith (incumbent) | 188,291 | 58.93% |  2.72 | |
| Democratic | Elmer H. Violette | 131,136 | 41.04% |  2.69 | |
| Republican | Neil S. Bishop (write-in) | 108 | 0.03% | N/A | |
| Total votes | 319,535 | 100.00% | |||
Margaret Madeline Chase Smith was an American politician. A member of the Republican Party, she served as a U.S. representative (1940–1949) and a U.S. senator (1949–1973) from Maine. She was the first woman to serve in both houses of the United States Congress, and the first woman to represent Maine in either. A moderate Republican, she was among the first to criticize the tactics of Joseph McCarthy in her 1950 speech, "Declaration of Conscience".
The 1972 United States Senate elections coincided with the landslide re-election of Republican President Richard Nixon. Despite Nixon's landslide victory, Democrats increased their majority by two seats. After the elections, Democrats held 56 seats, and Republicans held 42 seats, with 1 Conservative and 1 independent senator. These were the first elections in which all citizens at least 18 years of age could vote, due to the 1971 passage of the 26th Amendment.
The 1970 United States Senate elections was an election for the United States Senate, taking place 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 1968 United States Senate elections were elections for the United States Senate which coincided with the presidential election of the same year. Although Richard Nixon won the presidential election narrowly, the Republicans picked up five net seats in the Senate. Republicans would gain another seat after the election when Alaska Republican Ted Stevens was appointed to replace Democrat Bob Bartlett.
The United States Senate elections of 1932 coincided with Democrat Franklin D. Roosevelt's landslide victory over incumbent Herbert Hoover in the presidential election.
The United States Senate elections of 1916 were elections that coincided with the re-election of Democratic President Woodrow Wilson. Republicans gained a net of two seats from the Democrats.
The 1986 United States Senate election in Alabama took place on November 3, 1986 alongside 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. Incumbent Republican U.S. Senator Jeremiah Denton ran for a second term, but was narrowly defeated by Democratic U.S. Representative Richard Shelby by around 7,000 votes.
The 1948 United States Senate election in Maine was held on September 13, 1948. Incumbent Republican U.S. Senator and Senate Majority Leader Wallace White did not seek a fourth term in office.
The 1972 United States Senate election in Maine was held on November 7, 1972. Incumbent Republican U.S. Senator Margaret Chase Smith ran for re-election to a fifth term, but was defeated by Democrat William Hathaway. As of 2022, this is the last time the Democrats won the Class 2 Senate seat from Maine.
The 1976 United States Senate election in Ohio took place on November 2, 1976. Incumbent Republican senator Robert Taft, Jr. ran for re-election to second term. Democrat Howard Metzenbaum, who had briefly served in the Senate in 1974, unseated Taft in a rematch of the 1970 election.
The 1968 United States Senate election in Alabama took place on November 5, 1968. Incumbent Democratic U.S. Senator J. Lister Hill retired. He was succeeded by Lieutenant Governor of Alabama James Allen, who won a hotly contested primary over Armistead I. Selden Jr.. In the general election, Allen easily defeated Republican Probate Judge Perry O. Hooper Sr. and National Democratic nominee Robert Schwenn.
The 1930 United States Senate election in Maine was held on September 8, 1930. Incumbent Republican U.S. Senator Arthur Gould, who had been elected to complete the term of the late Senator Bert Fernald, did not run for re-election to a full term.
The 1936 United States Senate election in Maine was held on September 14, 1936. Incumbent Republican U.S. Senator Wallace White was re-elected to a second term over Governor Louis J. Brann.
The 1942 United States Senate election in Maine was held on September 14, 1942. Incumbent Republican U.S. Senator Wallace White was re-elected to a third term over Fulton J. Redman.
The 1954 United States Senate election in Maine was held on September 13, 1954. Incumbent Republican U.S. Senator Margaret Chase Smith was re-elected to a second term over Democrat Paul Fullam.
The 1964 United States Senate election in Maine was held on November 3, 1964. Incumbent Democrat Edmund Muskie was re-elected to a second term in office over Republican U.S. Representative Clifford McIntire. This was the first senate race for this particular seat in which the election was held in November and not September.
The 1982 United States Senate election in Ohio took place on November 2, 1982. Incumbent Democratic U.S. Senator Howard Metzenbaum was re-elected to a second term in office, defeating Republican State Senator Paul Pfeifer. Along with the gubernatorial election that same year, this election is the last time Butler County voted Democratic in a statewide election.
The 1944 United States Senate special election in New Jersey was held on November 7, 1944.
The 1918 United States Senate election in Maine was held on September 9, 1918.
The 1960 United States Senate election in Maine was held on November 8, 1960. Incumbent Republican U.S. Senator Margaret Chase Smith was re-elected to a fourth term over Democratic State Senator Lucia Cormier.
 Elections and referendums in Maine | |||||
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| Senate elections |
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| Referendums | |||||
