Answer
One term, from 1979 to 1985. A Democrat from Massachusetts, he served as the 47th governor of Massachusetts from 1969 to 1975. He was a member of the "Watergate Babies," a group of Democrats who were elected to Congress in 1974 in the wake of the Watergate scandal. Donnelly did not seek reelection in 1984 and was succeeded by Republican John Kerry.