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Senate roll call 466 · 89th Congress · Oct 4, 1966

To agree to dirksen substitute for mansfield amendment to S. 3164, the 1966 economic opportunity amendments. The substitute reduces the committee bill'S 1967 a

On Oct 4, 1966, the Senate voted 45–27 (S 3164). Result: passed. By party: Democrats 29–31, Republicans 30–2. It was a split vote: the parties took opposite sides, with some members crossing over. 31 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
45
No
27
Did not vote
11
Date
Oct 4, 1966

By party

  • Democrats29 yes · 31 no · 10 didn’t vote
  • Republicans30 yes · 2 no · 1 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.

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Capitol Receipts, “To agree to dirksen substitute for mansfield…: Senate Vote, Oct 4…,” https://www.capitolreceipts.com/vote/89-S-466/to-agree-to-dirksen-substitute-for-mansfield-amendment-to (accessed 2026-10-17).