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Filter by:
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|---|---|
| Senator | Term |
| Edward W. Carmack (D-TN) | 1903–1907 |
| Robert L. Owen (D-OK) | 1907–1911 |
| William E. Chilton (D-WV) | 1911–1913 |
| Willard Saulsbury, Jr. (D-DE) | 1913–1915 |
| Key Pittman (D-NV) | 1915–19171 |
| William H. King (D-UT) | 1917–1927 |
| Hugo L. Black (D-AL) | 1927–1937 |
| Joshua B. Lee (D-OK) | 1937–1943 |
| Francis T. Maloney (D-CT) | 1943–1945 |
| Brien McMahon (D-CT) | 1945–1953 |
| Thomas C. Hennings, Jr. (D-MO) | 1953–1960 |
| George A. Smathers (D-FL) | 1960–1967 |
| Robert C. Byrd (D-WV) | 1967–1971 |
| Frank E. Moss (Ted) (D-UT) | 1971–1977 |
| Daniel K. Inouye (D-HI) | 1977–1989 |
| David H. Pryor (D-AR) | 1989–1995 |
| Barbara A. Mikulski (D-MD) | 1995–2005 |
| Debbie Stabenow (D-MI) | 2005–2007 |
| Patty Murray (D-WA) | 2007–2017 |
| Tammy Baldwin (D-WI) | 2017–present |