January 27, 1947
I AM deeply shocked and grieved to learn of the death of Prince Gustaf Adolf. Please accept my heartfelt sympathy in your sorrow.
HARRY S. TRUMAN
[His Majesty Gustaf V, King of Sweden, Stockholm]
Harry S Truman, Message to the King of Sweden on the Death of Prince Gustaf Adolf. Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/232117