[Heber J. Grant] Begins service as the secretary to the general presidency of the Young Mens Mutual Improvement Association. (1)
-- Oct 10, 1880 - 25 July 1887
[1st Presidency Changes] John Taylor George Q. Cannon Joseph F. Smith First Presidency reorganized after death of Brigham Young (2)
-- Oct 10, 1880
John Taylor sustained President of Church. Pearl of Great Price accepted as standard work. (3)
First Presidency reorganized with John Taylor as president; Pearl of Great Price accepted by the Saints as a standard work. (4)
John Taylor sustained as President of the Church. The Pearl of Great Price accepted as a standard work. (5)
General Conference.+ The Pearl of Great Price is canonized.+ Francis M. Lyman and John Henry Smith are called to the Quorum of the Twelve Apostles. (6)
[Joseph F. Smith] Sustained as Second Counselor to President John Taylor. (7)
[Quorum of the Twelve] The First Presidency is reorganized with John Taylor President, George Q. Cannon First Counselor, and Joseph F. Smith Second Counselor. Wilford Woodruff becomes President of the Quorum. (8)
[Wilford Woodruff] Sustained as President of the Quorum of the Twelve Apostles at the same general conference in which John Taylor is sustained as President of the Church. (9)
-- Oct 27, 1880
[Apostle John Henry Smith] Ordained an apostle in the Quorum of the Twelve. (10)
Francis M. Lyman and John Henry Smith are ordained apostles and members of the Quorum of the Twelve Apostles. (6)
[Quorum of the Twelve] Francis M. Lyman and John Henry Smith ordained. (8)
-- Oct 30, 1880
[Heber J. Grant] Begins service as stake president in Tooele, Utah. (1)
Footnotes:
1 - Church of Jesus Christ of Latter-day Saints, Teachings of Presidents of the Church: Heber J. Grant, Salt Lake City, Utah
2 - Wikipedia, First Presidency (LDS Church), http://en.wikipedia.org/wiki/First_Presidency_(LDS_Church)#Chronology_of_the_First_Presidency
3 - Ludlow, Daniel H. editor, Encyclopedia of Mormonism, Macmillan Publishing, Encyclopedia of Mormonism, Vol. 4, Appendix 2: A Chronology of Church History
4 - Hemidakaota, "Church Chronology from 1800-2000," http://www.lds.net/forums/scripture-study-forum/12108-church-chronology-1800-2000-part-1-a.html#post214550
5 - Church of Jesus Christ of Latter-day Saints, Chronology of Church History, http://scriptures.lds.org/chchrono/contents
6 - Wikipedia, 19th Century (Mormonism), http://en.wikipedia.org/wiki/19th_century_(Mormonism)
7 - Church of Jesus Christ of Latter-day Saints, Teachings of Presidents of the Church: Joseph F. Smith, Salt Lake City, Utah
8 - Wikipedia, Chronology of the Quorum of the Twelve Apostles (LDS Church), http://en.wikipedia.org/wiki/Chronology_of_the_Quorum_of_the_Twelve_Apostles_(LDS_Church)
9 - Church of Jesus Christ of Latter-day Saints, Teachings of Presidents of the Church: Wilford Woodruff, Salt Lake City, Utah
10 - White, Jean Bickmore, Church, State, and Politics, p.xviii, A John Henry Smith Chronology
Mormon History Timeline /Chronology
http://lds-church-history.blogspot.com/
