Which US senator served the longest?
Robert C. Byrd
Henry Clay
Henry Clay
Henry Clay
Patrick Leahy
Henry Clay
Patrick Leahy
Daniel Inouye
Henry Clay
Patrick Leahy
Henry Clay
Jacob K. Javits
Lyndon B. Johnson
John C. Breckinridge
Daniel Inouye
Patrick Leahy
Henry Clay
William Jennings Bryan
Hubert Humphrey
Orrin Hatch
George Frisbie Hoar
Daniel Inouye
Lyndon B. Johnson
John C. Breckinridge
Henry Clay
Patrick Leahy
Jacob K. Javits
William Jennings Bryan
John C. Stennis
Robert Byrd
Orrin Hatch
Strom Thurmond
Hubert Humphrey
Henry Clay
Daniel Inouye
Lyndon B. Johnson
Patrick Leahy
George Frisbie Hoar
John C. Calhoun
William Jennings Bryan
Thomas Hart Benton
Strom Thurmond
Robert Byrd
Orrin Hatch
Henry Clay (Senate)
J. William Fulbright
Henry Clay
Jacob K. Javits
Hubert Humphrey
John C. Stennis
Daniel Inouye
Patrick Leahy
Lyndon B. Johnson
John C. Breckinridge
William Jennings Bryan
George Frisbie Hoar
Strom Thurmond
Thomas Hart Benton
Henry Clay
Robert Byrd
J. William Fulbright
John C. Calhoun
Jacob K. Javits
Jesse Helms
Daniel Inouye
Henry Clay (Senate)
Patrick Leahy
Strom Thurmond
Henry Clay
Lyndon B. Johnson
Thomas Hart Benton
George Frisbie Hoar
Robert Byrd
William Jennings Bryan
Joseph McCarthy
J. William Fulbright
J. P. Morgan
Henry Clay
Henry Clay (Sen.)
Daniel Inouye
Strom Thurmond
Patrick Leahy
Edward M. Kennedy
Jesse Helms
Thomas Hart Benton
Robert Byrd
Joseph McCarthy
George Frisbie Hoar
Lyndon B. Johnson
Strom Thurmond, Henry Clay
Jacob K. Javits
Henry Clay (Senate)
William Jennings Bryan
J. William Fulbright
George Frisbee
Patrick Henry
Henry Clay
J. P. Morgan
John C. Breckinridge
John C. Stennis
Strom Thurmond
Henry Clay (Constitution)
Daniel Inouye
John C. Frémont
Joseph McCarthy
Patrick Leahy
Thomas Hart Benton
George Frisbie Hogg
Robert Byrd
George Frisbie Hoar
John C. Calhoun
Jesse Helms
George H. W. Bush
Henry Clay (Sen.)
George Frisbie Hoag
Patrick Henry
Strom Thurmond, Henry Clay
Henry Clay
J. William Fulbright
Jacob K. Javits
Henry Clay (Senate)
J. P. Morgan
Edward M. Kennedy
Lyndon B. Johnson,
William Jennings Bryan
Strom Thurmond
Joseph McCarthy
Henry Clay (Sen.
Henry Clay (Constitution)
Daniel Inouye
Thomas Hart Benton
Patrick Leahy
Henry Clay (Senator)
Robert Byrd
Robert Byrd Jr.
Patrick Henry
Daniel Webster Whipple
Henry Clay
Strom Thurmond, Henry Clay
Jesse Helms
Jacob K. Javits.
Joseph McCarthy
J. William Fulbright
Strom Thurmond
George Frisbie Hogg
Henry Clay (Senate)
J. P. Morgan
Henry Clay (Sen.)
William Jennings Bryan
Thomas Hart Benton
Patrick Henry
George Frisbie Houk
Patrick Leahy
George Frisbie Hoag
Henry Clay
Robert Byrd
Henry Clay (Sen.
Daniel Inouye
Jacob K. Javits
Edward M. Kennedy
George H. W. Wickard
Lyndon B. Johnson,
Thomas Hart Benton Jr.
Robert Byrd Sr.
Joseph McCarthy
Henry Clay (Senate
Jesse Helms
Daniel Webster Whipple
Strom Thurmond, Henry Clay
Strom Thurmond
Henry Clay (Senator)
Lyndon B. Johnson.
George Frisbie Hoyt
George H. W. Bush
George Frisbee
Patrick Henry
John McCain
George Frisbie Hogg
Henry Clay
J.B. Van Winkle
Robert Byrd Jr.
George H. W. Wicker
Henry Clay (Constitution)
George H. W. Smith
Patrick Leahy
Robert Byrd
Henry Clay (Senate)
Daniel Webster Chamberlain
J. P. Morgan
George Frisbie Hoag
William Jennings Bryan
Daniel Inouye
John C. Calhoun
Joseph McCarthy
Henry Clay (Sen.)
Henry Clay (Sen.
John C. Stennis
Jacob K. Javits.
Strom Thurmond
George H. W. Davis
Daniel Webster Whipple