John Kennedy actually said...
Now, Therefore, I, John F. Kennedy, President of the United States of America, do hereby designate Monday, October 7, 1963, as Child Health Day; and I invite all persons and all agencies and organizations, interested in the welfare of children to unite on that day in observances that will bolster our efforts to foster the health of our children
Context
Proclamation 3549—Child Health Day, 1963
08/26/1963