05/15/1946
https://www.presidency.ucsb.edu...
"No change, except by agreement shall be made by the Pan American World Airways, Inc., or its employees in the conditions out of which the said dispute arose."
"In performing its functions under this order the board shall comply with the requirements of section 502 of the Defense Production Act of 1950, as amended."
"This order shall be effective as of July 1, 1951."
"Now, Therefore, I, Harry S. Truman, President of the United States of America, do hereby designate Sunday, January 13, 1952, and each succeeding January 13 throughout the years, as Stephen Foster Memo..."