10/09/1960
https://www.presidency.ucsb.edu...
"Now, Therefore, I, John F. Kennedy, President of the United States of America, do hereby request that Sunday, May 14, 1961, be observed as Mother's Day;"
"There is no means of communication as significant as that in which you are involved: to hear, to see, to listen."
"I also call upon the people of the United States to observe Mother's Day by display of the flag at their homes or other suitable places, and to manifest through private and public expressions the reve..."
"I express in my own name and in the name of the American people our most sincere hope that this Conference will achieve a full measure of practical success."