June 15, 1866
To the Senate of the United States:
In compliance with a resolution of the Senate of the 13th instant, calling for information in regard to the departure of troops from Austria to Mexico, I transmit a report from the Secretary of State and the documents by which it was accompanied.
ANDREW JOHNSON.
Andrew Johnson, Special Message Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/202280