September 14, 1901
The official announcement of the President's death was received at the White House at 2:35 o'clock, September 14, 1901, as follows:
Buffalo, September 14.
Col. B. F. Montgomery, Executive Mansion, Washington:
The President died at 2:15 this morning.
GEORGE B. CORTELYOU.
Immediately upon receipt of the official dispatch the following was sent to Secretary Cortelyou:
Members of the executive staff in Washington are deeply affected, and beg to tender their profound sympathy to Mrs. McKinley.
O. F. PRUDEN,
Assistant Secretary.
William McKinley, News of the Death of President McKinley at the White House Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/205985