09/22/1953
https://www.presidency.ucsb.edu...
"This country is a spiritual organism."
"Now, Therefore, I, Dwight D. Eisenhower, President of the United States of America, do hereby request that Sunday, May 8, 1955, be celebrated as Mother's Day; and I direct the appropriate officials of..."
"I also call upon the people of the Nation to give public and private expression to the esteem in which our country holds its mothers, through the display of the flag at their homes and other suitable ..."
"This order shall become effective on the date that the Convention on Relations between the Three Powers and the Federal Republic of Germany and related Conventions, as amended, come into force."