01/12/1859
https://www.presidency.ucsb.edu...
"The principle of the liability of Paraguay having been established by the highest political acts of the United States and that Republic in their sovereign capacity."
"an extraordinary occasion requires the Senate of the United States to convene for the transaction of business at the Capitol, in the city of Washington, on the 4th day of March next, at 12 o'clock at ..."
"He was, however, induced by the interposition of Hon. Jefferson Davis and nine other Senators from the seceded and seceding States not to deliver it on the day appointed."
"Their letter to him urging this delay bears date January 15, and was the commencement of a correspondence."