Richard Nixon actually said...
Now, Therefore, I, Richard M. Nixon, President of the Unites States of America, in accordance with Senate Joint Resolution 73, do hereby proclaim Monday, April 16, 1973, as 'Jim Thorpe Day' and call upon the people of the United States to mark this day with appropriate observances.
Context
Proclamation 4209—Jim Thorpe Day
04/15/1973