April 28, 1866
To the Senate of the United States:
I transmit herewith, for the constitutional action of the Senate, a treaty this day concluded with the Choctaw and Chickasaw nations of Indians.
ANDREW JOHNSON.
Andrew Johnson, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/202097