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Senate roll call 15 · 91st Congress · Mar 13, 1969

To agree to an executive understanding to the treaty on nonproliferation of nuclear weapons, providing that the U.S. Does not obligate itself to use its armed f

On Mar 13, 1969, the Senate voted 25–69. Result: failed. By party: Democrats 15–39, Republicans 11–30. It was a bipartisan vote: majorities of both parties voted no. 26 members voted against their own party.

During the 91st Congress (1969–1970), Richard Nixon was president, and Democrats held majorities in both the House and Senate.

Yes
25
No
69
Did not vote
7
Date
Mar 13, 1969

By party

  • Democrats15 yes · 39 no · 4 didn’t vote
  • Republicans11 yes · 30 no · 3 didn’t vote

Who broke with their party

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 an executive understanding to…: Senate Vote, Mar 13, 1969,” https://www.capitolreceipts.com/vote/91-S-15/to-agree-to-an-executive-understanding-to-the-treaty (accessed 2026-10-17).

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