1978 United States Senate election in Maine

The 1978 United States Senate election in Maine was held on November 7, 1978. Incumbent Democratic U.S. Senator William Hathaway decided to run for re-election to a second term, but was defeated by William Cohen, the Republican nominee and the U.S. Representative from Maine's 2nd congressional district. No incumbent Senator has lost by such a large margin since Hathaway's 22.6-point loss, though Blanche Lincoln came close in 2010.[1]

1978 United States Senate election in Maine

November 7, 1978

Nominee William Cohen William Hathaway Hayes Gahagan Party Republican Democratic Independent Popular vote 212,294 127,327 27,824 Percentage 56.59% 33.94% 7.42%

County Results Cohen:      50–60%      60–70%      70–80%

U.S. senator before election William Hathaway Democratic Elected U.S. Senator William Cohen Republican

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