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35 of the 100 seats in the United States Senate 51 seats needed for a majority | ||||||||||||||||||||||||||||||||||||||||
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Results of the elections: Democratic gain Democratic hold Republican hold No election | ||||||||||||||||||||||||||||||||||||||||
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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.
These elections, along with 2022, featured the smallest seat change in history since the passage of the Seventeenth Amendment in 1913 with only one seat changing parties. That election featured Democrat Paul Wellstone defeating incumbent Republican Rudy Boschwitz in Minnesota. To date, this is the last cycle in which Democratic candidates won U.S. Senate elections in Oklahoma and Tennessee.
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