07/03/1951
https://www.presidency.ucsb.edu...
"Equitable use of the practice of recognizing the historic importance of events by the issuance of special stamps requires that this recognition be accorded at this time to other elements in our nation..."
"I am proud, as other Americans are, of the contributions which have been made to our democracy by Americans of Swedish origin, and I believe that these contributions should be recognized by all approp..."
"For these reasons, I am unable to approve this joint resolution."
"I hereby designate Sunday, May 16, 1948, as I Am An American Day"