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1926 United States Senate election in Arizona
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 County results Hayden: 50–60% 60–70% 70–80% Cameron: 50–60% | |||||||||||||||||
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| Elections in Arizona |
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The 1926 United States Senate election in Arizona was held on Tuesday November 3, Incumbent Republican Senator Ralph Cameron ran for re-election on his second term, but was defeated by incumbent Democratic Representative Carl Hayden in the general election. Hayden was the longest-serving Senator having been re-elected to six more terms until he retired in 1968. As of 2023, this was the last time that an incumbent Senator from Arizona lost re-election to the Class 3 Senate seat in Arizona.
Republican primary
Candidates
- Ralph H. Cameron, incumbent U.S. Senator
Democratic primary
Candidates
- Carl T. Hayden, U.S. Congressman of Arizona's at-large Congressional district
- Charles H. Rutherford