November 08, 1900
Hon. William McKinley, President of the United States:
At the close of another Presidential campaign it is my lot to congratulate you upon a second victory.
W.J. BRYAN.
Source: "Mr. Bryan to the President. The Defeated Candidate Congratulates His Successful Rival," New York Times, November 9, 1900, p. 1.
William Jennings Bryan, Telegram to President McKinley Conceding the Presidential Election Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/345946