| Name | State | Date |
|---|---|---|
| Ingalls, John J. | KS | February 22, 1888 |
| Manderson, Charles | NE | February 22, 1893 |
| Martin, John | KS | February 22, 1894 |
| Frye, William | ME | February 22, 1896 |
| Daniel, John | VA | February 22, 1897 |
| Lodge, Henry Cabot | MA | February 22, 1898 |
| Wolcott, Edward | CO | February 22, 1899 |
| Foraker, Joseph B. | OH | February 22, 1900 |
| Bacon, Augustus O. | GA | February 22, 1901 |
| Burrows, Julius C. | MI | February 22, 1902 |
| Dubois, Fred T. | ID | February 23, 1903 |
| Heyburn, Weldon B. | ID | February 22, 1904 |
| Perkins, George C. | CA | February 22, 1905 |
| McCreary, James B. | KY | February 22, 1906 |
| Burkett, Elmer J. | KY | February 22, 1907 |
| McCumber, Porter J. | ND | February 22, 1908 |
| McLaurin, Anselm J. | MS | February 22, 1909 |
| Depew, Chauncey M. | NY | February 22, 1910 |
| Young, Lafayette | IA | February 22, 1911 |
| Kern, John W. | IN | February 22, 1912 |
| Brandegee, Frank B. | CT | February 22, 1913 |
| Swanson, Claude A. | VA | February 23, 1914 |
| Root, Elihu | NY | February 22, 1915 |
| Johnson, Charles F. | ME | February 22, 1916 |
| Works, John D. | CA | February 22, 1917 |
| Gerry, Peter G. | RI | February 22, 1918 |
| Frelinghuysen, Joseph S. | NJ | February 22, 1919 |
| Pomerene, Atlee | OH | February 23, 1920 |
| Wadsworth, James W. Jr. | NY | February 22, 1921 |
| Poindexter, Miles | WA | February 22, 1922 |
| Glass, Carter | VA | February 22, 1923 |
| Willis, Frank B. | OH | February 22, 1924 |
| Ashurst, Henry F. | AZ | February 23, 1925 |
| Bingham, Hiram | CT | February 22, 1926 |
| George, Walter F. | GA | February 22, 1927 |
| Shipstead, Henrik | MN | February 22, 1928 |
| Reed, James | MO | February 22, 1929 |
| Vandenberg, Arthur H. | MI | February 22, 1930 |
| Bratton, Sam G. | NM | February 22, 1931 |
| Walsh, Thomas J. | MT | February 23, 1932 |
| Glenn, Otis F. | IL | February 22, 1933 |
| O'Mahoney, Joseph C. | WY | February 22, 1934 |
| Austin, Warren R. | VT | February 22, 1935 |
| Bachman, Nathan L. | TN | February 22, 1936 |
| Lodge, Henry Cabot Jr. | MA | February 22, 1937 |
| Ellender, Allen J. | LA | February 22, 1938 |
| Taft, Robert | OH | February 22, 1939 |
| Burke, Edward R. | NE | February 22, 1940 |
| White, Wallace H. Jr. | ME | February 22, 1941 |
| Green, Theodore F. | RI | February 23, 1942 |
| Millikin, Eugene D. | CO | February 22, 1943 |
| Thomas, Elbert D. | UT | February 22, 1944 |
| Smith, H. Alexander | NJ | February 22, 1945 |
| Chavez, Dennis | NM | February 22, 1946 |
| Revercomb, W. Chapman | WV | February 21, 1947 |
| McMahon, Brien | CT | February 22, 1948 |
| Smith, Margaret Chase | ME | February 22, 1949 |
| O'Conor, Herbert R. | MD | February 22, 1950 |
| Flanders, Ralph E. | VT | February 22, 1951 |
| Pastore, John O. | RI | February 22, 1952 |
| Cooper, John Sherman | KY | February 23, 1953 |
| Hunt, Lester C. | WY | February 22, 1954 |
| Bush, Prescott | CT | February 22, 1955 |
| Humphrey, Hubert H. | MN | February 22, 1956 |
| Goldwater, Barry | AZ | February 22, 1957 |
| Church, Frank | ID | February 21, 1958 |
| Allott, Gordon | CO | February 23, 1959 |
| Moss, Frank E. | UT | February 22, 1960 |
| Butler, John M. | MD | February 22, 1961 |
| Randolph, Jennings | WV | February 22, 1962 |
| Prouty, Winston L. | VT | February 22, 1963 |
| Muskie, Edmund S. | ME | February 21, 1964 |
| Pearson, James B. | KS | February 22, 1965 |
| Metcalf, Lee | MT | February 22, 1966 |
| Cotton, Norris | NH | February 22, 1967 |
| Brewster, Daniel B. | MD | February 22, 1968 |
| Fannin, Paul J. | AZ | February 21, 1969 |
| Burdick, Quentin N. | ND | February 23, 1970 |
| Beall, J. Glenn Jr. | MD | February 22, 1971 |
| Bentsen, Lloyd | TX | February 21, 1972 |
| Mathias, Charles McC. Jr. | MD | February 19, 1973 |
| Hughes, Harold | IA | February 18, 1974 |
| Garn, Jake | UT | February 17, 1975 |
| Hartke, Vance | IN | February 16, 1976 |
| Hayakawa, S. I. | CA | February 21, 1977 |
| Huddleston, Walter | KY | February 20, 1978 |
| Warner, John W. | VA | February 19, 1979 |
| Stewart, Donald | AL | February 18, 1980 |
| Kassebaum, Nancy | KS | February 16, 1981 |
| Inouye, Daniel K. | HI | February 22, 1982 |
| Trible, Paul S. Jr. | VA | February 21, 1983 |
| Lautenberg, Frank R. | NJ | February 20, 1984 |
| Hawkins, Paula | FL | February 18, 1985 |
| Rockefeller, Jay | WV | February 17, 1986 |
| McCain, John | AZ | February 16, 1987 |
| Sanford, Terry | NC | February 15, 1988 |
| Warner, John W. | VA | February 22, 1989 |
| Robb, Charles S. | VA | February 22, 1990 |
| Burns, Conrad | MT | February 22, 1991 |
| Wofford, Harris | PA | February 19, 1992 |
| Kempthorne, Dirk | ID | February 24, 1993 |
| Moseley Braun, Carol | IL | February 22, 1994 |
| Thomas, Craig | WY | February 20, 1995 |
| Akaka, Daniel | HI | February 26, 1996 |
| Frist, Bill | TN | February 24, 1997 |
| Landrieu, Mary | LA | February 23, 1998 |
| Voinovich, George | OH | February 22, 1999 |
| Moynihan, Daniel Patrick | NY | February 22, 2000 |
| Allen, George | VA | February 26, 2001 |
| Corzine, Jon | NJ | February 25, 2002 |
| Chambliss, Saxby | GA | February 24, 2003 |
| Breaux, John | LA | February 23, 2004 |
| Burr, Richard | NC | February 18, 2005 |
| Salazar, Ken | CO | February 17, 2006 |
| Corker, Bob | TN | February 26, 2007 |
| Pryor, Mark L. | AR | February 25, 2008 |
| Johanns, Mike | NE | February 23, 2009 |
| Burris, Roland W. | IL | February 22, 2010 |
| Isakson, Johnny | GA | February 28, 2011 |
| Shaheen, Jeanne | NH | February 27, 2012 |
| Ayotte, Kelly | NH | February 25, 2013 |
| King, Angus S. Jr. | ME | February 24, 2014 |
| Hoeven, John | ND | February 23, 2015 |
| Coons, Chris | DE | February 22, 2016 |
| Sasse, Ben | NE | February 28, 2017 |
| Peters, Gary | MI | February 26, 2018 |
