|1838 November 13
||Born in Far West, Caldwell County, Missouri, to Hyrum Smith and Mary Fielding.
|1844 June 27
||Joseph and Hyrum Smith martyred at Carthage Jail.
|1846 September–1848 September
||Drove team of oxen for Mary Fielding Smith family from Nauvoo, Illinois, to Salt Lake Valley.
|1852 May 21
||Baptized by President Heber C. Kimball.
|1852 September 21
||Mary Fielding Smith died.
||Served mission to Sandwich Islands (Hawaii).
||Joined Nauvoo Legion (Utah Territory's militia) and served in Echo Canyon campaign of Utah War.
||Served mission to Great Britain.
||Served special mission to Hawaii with Elders Ezra T. Benson and Lorenzo Snow.
||Member of Utah Territorial Legislature.
|1866 July 1
||Ordained an Apostle and set apart as a counselor in the First Presidency.
||Age 36–37, 39
||Served two terms as president of the European Mission.
||Served short term mission to eastern United States in interest of history of the Church.
|1880 October 10
||Sustained as second counselor to President John Taylor.
||Went into voluntary exile due to the practice of plural marriage.
|1889 April 7
||Sustained as second counselor to President Wilford Woodruff.
||Member of constitutional convention for state of Utah.
|1898 September 13
||Became second counselor to President Lorenzo Snow.
|1901 November 10
||Became President of the Church in a special conference.
||First President of the Church to tour Europe during his administration.
||First Presidency issued the doctrinal exposition “The Origin of Man.”
||Young Men's Mutual Improvement Association adopted the Boy Scout program, named MIA Scouts.
||Granite Seminary in Salt Lake City housed first released-time classes.
||Young Women's Mutual Improvement Association adopted the Campfire Girls summer program; 1914, replaced with year-round Beehive Girls program.
|1913 July 27
||Dedicated the site for the Cardston Alberta Temple.
|1915 April 27
||First Presidency urged members to hold regular home evenings.
|1915 June 1
||Dedicated the site for the Laie Hawaii Temple.
|1916 June 30
||First Presidency and the Twelve issued the doctrinal exposition "The Father and the Son."
|1918 October 3
||Received the Vision of the Redemption of the Dead, which became Doctrine and Covenants 138.
|1918 November 19
||Died in the Beehive House, Salt Lake City, Utah.