The 1984 United States Senate election in Maine was held on November 7, 1984. Incumbent Republican U.S. Senator William Cohen won re-election to a second term in a landslide over Democratic state representative Elizabeth "Libby" Mitchell. Both Cohen and Mitchell were unopposed in their party primaries.
Mitchell would later serve as Speaker of the Maine House of Representatives from 1994 to 1997, and President of the Maine Senate from 2008 to 2010. She would also be the Democratic nominee for Governor of Maine in 2010, losing that election to Republican Paul LePage.
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Text from the Wikipedia article “1984 United States Senate election in Maine”, available under CC BY-SA 4.0.