June 03, 1931
MAY I TAKE this occasion of the sixty-sixth anniversary of Your Majesty's birth to reiterate the cordial good wishes of the American people and to add my sincere personal congratulations.
HERBERT HOOVER
[His Majesty George V, King of Great Britain, London, England]
Herbert Hoover, Message to King George V of Great Britain Offering Birthday Greetings. Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/211037