Thursday marked a major milestone for Tennessee Senator Lamar Alexander.
Senator Lamar Alexander is now the longest-serving statewide politician in Tennessee history.
The Maryville-native served as governor between 1979 and 1987 and was elected U.S. Senator in 2002.
Thursday marked 24 years, 8 months and fifteen days of public service to the state of Tennessee by Sen. Alexander.
He previously announced he will not run for Senate re-election in 2020.