December 21, 1840
To the Senate of the United States:
I transmit herewith, for the consideration of the Senate with a view to its ratification, a treaty of commerce and navigation between the United States of America and His Majesty the King of the Belgians, signed at Washington on the 29th day of March, 1840.
M. VAN BUREN.
Martin van Buren, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/201121