January 10, 1860
To the Senate of the United States:
I transmit herewith, for your constitutional action thereon, articles of agreement and convention made and concluded on the 1st day of October, 1859, with the Sacs and Foxes of the Mississippi, and recommend that the same be ratified.
JAMES BUCHANAN.
James Buchanan, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/203174