To agree to resolution of ratification of the convention on the settlement of investment disputes (exec. A, 89th Congress, 2d session).

On May 16, 1966, the Senate voted 72–0. Result: passed. By party: Democrats 67–0, Republicans 33–0. It was a bipartisan vote: majorities of both parties voted yes.

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

Yes: 72
No: 0
Did not vote: 3
Date: May 16, 1966

By party

Democrats67 yes · 0 no · 3 didn’t vote
Republicans33 yes · 0 no

Who broke with their party

Every member who voted sided with their party's majority.

How each senator voted: Yes

Did not vote

Other votes

From Voteview roll call records.

Cite or embed this page

Capitol Receipts, “To agree to resolution of ratification of…: Senate Vote, May 16, 1966,” https://www.capitolreceipts.com/vote/89-S-299/to-agree-to-resolution-of-ratification-of-the-convention (accessed 2026-10-17).