January 31, 1949
FOR SOME TIME informal and friendly relations have existed between the United States Government and the Government of the Kingdom of Transjordan. Consistently with its feeling of friendship for Transjordan, the United States Government has supported that country for membership in the United Nations. Today the United States Government has extended de jure recognition to the Government of Transjordan.
Harry S Truman, White House Statement Announcing Recognition of the Government of Transjordan. Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/230166