05/15/1946
https://www.presidency.ucsb.edu...
"Now, Therefore, I, Harry S. Truman, President of the United States of America, under and by virtue of the authority vested in me by section 3 of the said Migratory Bird Treaty Act of July 3, 1918, do ..."
"I can't tell you how very much I appreciate this warm and cordial welcome of the Capital City of the greatest Nation on earth."
"I expect to work just as hard as I have done for you up to date, and to do it to the best of my ability."
"It makes a man study and wonder whether he is worthy of the confidence, worthy of the responsibility which has been thrust upon him."