07/12/1949
https://www.presidency.ucsb.edu...
"I do hereby call upon the people of the United States to observe Sunday, May 30, 1948, as Memorial Day by praying to Almighty God, each in accordance with his religious faith, that permanent peace may..."
"I designate the hour beginning at eight o'clock in the evening, Eastern Standard Time, as a period in which all the people of the United States may unite in prayer for a permanent peace."
"The Director of the national Park Service, under the direction of the Secretary of the Interior, shall have the supervision, management, and control of this monument as provided in the act of Congress..."
"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 2 of the act of June 8, 1906, c. 3060, 34 Stat. 225 (16 U.S...."