The 1990 United States Senate election in Maine was held on November 6, 1990. Incumbent Republican U.S. Senator William Cohen won re-election to a third term, defeating Democratic state representative Neil Rolde. Both Cohen and Rolde were unopposed in their respective primaries.
Fetching the article from Wikipedia…
Text from the Wikipedia article “1990 United States Senate election in Maine”, available under CC BY-SA 4.0.