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 County results McKellar: 50–60% 60–70% 70–80% 80–90% >90% Baker: 50–60% 60–70% 70–80% 80–90% | |||||||||||||||||
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| Elections in Tennessee |
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 Government |
The 1940 United States Senate election in Tennessee was held on November 5, 1940. Incumbent Democratic Senator Kenneth D. McKellar was re-elected to a fifth term in office, defeating Republican Howard Baker.