02/28/1951
https://www.presidency.ucsb.edu...
"By virtue of the authority vested in me as President of the United States and as Commander in Chief of the Army and Navy, I hereby order that East Executive Avenue in the District of Columbia be reope..."
"I will say this to you, that that is one time I made an error."
"It was just an error on my part, that was."
"The substance of it was all made public."