09/10/1940
https://www.presidency.ucsb.edu...
"I do direct that the flag shall be displayed upon all Government buildings on October 11, 1937, as a mark of respect to the memory of General Casimir Pulaski."
"I hereby invite the people of the United States to observe that day as General Pulaski Memorial Day and to participate with appropriate ceremonies in schools and churches or other suitable places in t..."
"Therefore, I, Franklin D. Roosevelt, President of the United States of America, under and by virtue of the authority vested in me by the aforesaid public resolution, do by this proclamation designate ..."
"I do invite the people of the United States to observe the day with appropriate ceremonies in schools and churches, or other suitable places."