President Angus M. Cannon called at the office to see President Snow in relation to holding memorial services for President William McKinley who was assassinated. The services to be held in the Tabernacle on Thursday, agreeable with Governor [Heber M.] Wells' proclamation. It was decided to hold such services, also to ask the various stake presidents to do likewise. An announcement to this effect was placed in the Deseret News.
[Source: Journal History, as quoted in Minutes of the Apostles of The Church of Jesus Christ of Latter-day Saints, 1835-1951, Electronic Edition, 2015]