June 16, 1931
[Released June 16, 1931. Dated June 15, 1931]
IT GIVES ME much pleasure on this anniversary of Your Majesty's birth to send you sincere felicitations and best wishes for a long and prosperous reign.
HERBERT HOOVER
[His Majesty Gustaf V, King of Sweden, Stockholm, Sweden]
Herbert Hoover, Message to King Gustaf V of Sweden on His Birthday. Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/211161