United States Senate election in Missouri 2000 Tags: Election.The 2000 United States Senate election in Missouri was held on November 7 2000 to select the next Senator from Missouri. Incumbent John Ashcroft lost re-election to Mel Carnahan who had died in a plane crash several weeks before election day. thumbnail country Missouri start date 2000-11-07 title United States Senate election in Missouri 2000 Learn more... Loading...