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Senate roll call 64 · 89th Congress · May 24, 1965

To agree to a modified amendment for the mansfield-dirksen substitute for S. 1564, the voting rights act of 1965. The modified amendment gives discretionary au

On May 24, 1965, the Senate voted 32–49 (S 1564). Result: failed. By party: Democrats 21–44, Republicans 15–16. It was a bipartisan vote: majorities of both parties voted no. 36 members voted against their own party.

During the 89th Congress (1965–1966), Lyndon B. Johnson was president, and Democrats held majorities in both the House and Senate.

Yes
32
No
49
Did not vote
7
Date
May 24, 1965

By party

  • Democrats21 yes · 44 no · 5 didn’t vote
  • Republicans15 yes · 16 no · 2 didn’t vote

Who broke with their party

The bill

S. 1564: A bill to enforce the 15th amendment to the Constitution of the United States

How each senator voted: Yes

How each senator voted: No

Did not vote

Other votes

From Voteview roll call records.

Cite or embed this page

Capitol Receipts, “To agree to a modified amendment for the…: Senate Vote, May 24, 1965,” https://www.capitolreceipts.com/vote/89-S-64/to-agree-to-a-modified-amendment-for-the-mansfield (accessed 2026-10-15).

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