 In 1980, at age 33, Quayle became the youngest person ever elected to the Senate from the state of Indiana, defeating three-term incumbent Democrat Birch Bayh with 54% of the vote.Making Indiana political history again, Quayle was reelected to the Senate in 1986 with the largest margin ever achieved to that date by a candidate in a statewide Indiana race, taking 61% of the vote against his Democratic opponent, Jill Long.In November 1978 Congressman Leo Ryan of California invited Quayle to accompany him on a delegation to investigate unsafe conditions at the Jonestown settlement in Guyana, but Quayle was unable to participate.