How long has Robert Byrd been a senator?”
Robert Byrd has been a Senator for 49 years, 138 days, having assumed the office of Senator from West Virginia on January 3, 1959. He is currently the longest-serving Senator in U.S. history, ahead of Strom Thurmond by about two years. On June 21, 2007, he cast his 18,000th vote, the most for any Senator in U.S. history. He is also the last Senator from the 50s, and the last Senator still serving to have voted on a statehood bill.