Louisiana Purchase Treaty
U.S. Senate consents to ratification of the Louisiana Purchase Treaty
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Original prompt & settings (JSON) ↗The vote was 24 to 7 — and every senator who voted no was a Federalist.
20 October 1803: 24 to 7
Meeting in Washington on 20 October 1803, the U.S. Senate approved the treaty with France for ratification, 24 votes to 7. All seven opponents were Federalists, and the supporters cleared the constitutionally required two-thirds with room to spare.
Samuel White of Delaware, opposing, warned that settlers so far away might end up alienated from the Union. James Jackson of Georgia urged the Senate not to let the opportunity pass.
Why Jefferson was in a hurry
The agreement required ratification and exchange within six months, and Jefferson had called Congress into early session to get it done. Delay risked missing the 30 October deadline, or giving Napoleon time to reconsider.
He had weighed proposing a constitutional amendment to authorise the acquisition, and dropped the idea for the same reason.
Consent is not possession
Senate consent let the United States complete ratification, and American and French representatives — Louis-André Pichon acting for France — exchanged ratified copies in Washington the next day.
Plenty was still outstanding. Congress had to create the stock used to pay France and authorise the president to take possession; New Orleans changed hands on 20 December, Upper Louisiana in March 1804.
Sources
Researched 23 Aug 2026 6 sources 2 audit passes
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