Announcement: 27 June 1913
Site Dedication: 27 July 1913 by Joseph F. Smith
Groundbreaking: 9 November 1913 by Daniel Kent Greene
Public Open House: Tours offered during the final years of construction (1920–1923)
Dedication: 26–29 August 1923 by Heber J. Grant
Rededication: 2 July 1962 by Hugh B. Brown (addition only)
Public Open House: 6–15 June 1991
Rededication: 22–24 June 1991 by Gordon B. Hinckley