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Senate roll call 14 · 91st Congress · Mar 13, 1969

To agree to an executive understanding to the treaty on nonproliferation of nuclear weapons; said understanding providing for treaty to be construed in accordan

On Mar 13, 1969, the Senate voted 17–77. Result: failed. By party: Democrats 7–47, Republicans 11–30. It was a bipartisan vote: majorities of both parties voted no. 18 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
17
No
77
Did not vote
7
Date
Mar 13, 1969

By party

  • Democrats7 yes · 47 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-14/to-agree-to-an-executive-understanding-to-the-treaty (accessed 2026-10-17).