September 26, 1932
IT GIVES ME pleasure on this anniversary of Your Majesty's birth to convey to you my heartiest congratulations and best wishes for your health and happiness in the years to come.
HERBERT HOOVER
[His Majesty Christian X, King of Denmark, Copenhagen]
Herbert Hoover, Message to King Christian X of Denmark on His Birthday. Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/207650