The Supreme Court upholds the Edmunds-Tucker Act in The Late Corporation of the Church of Jesus Christ of Latter-day Saints v. United States (1)
-- Sep 24, 1890
President Wilford Woodruff received the vision which led to his issuance of the "Manifesto" stating Plural Marriage officially discontinued in the Church. (2)
President Woodruff records the 1890 Manifesto. (1)
-- Sep 24, 1890; October 6
[Joseph F. Smith] Manifesto received; Official Declaration 1 accepted by the Church. (3)
-- Sep 24, 1890
[Utah Statehood] LDS President Wilford Woodruff drafted the text of a momentous announcement. After conferring with other church leaders, he issued what has since been called the Woodruff Manifesto to the Associated Press on September 25. Woodruff's key sentence stated: "I now publicly declare that my advice to the Latter-day Saints is to refrain from contracting any marriage forbidden by the law of the land." It was published in many newspapers across the country, and, though some doubted its authenticity or sincerity, it signaled a major shift of direction in church doctrine and practice and cleared the path toward statehood. (4)
[Wilford Woodruff] Having received a revelation from the Lord, issues a declaration stating that the Latter-day Saints should cease the practice of entering into plural marriage. (5)
-- Sep 25, 1890
President Wilford Woodruff issues the 1890 Manifesto ending the official practice of polygamy. (1)
[U.S. Religious History] Mormon President Wilford Woodruff issued a Manifesto in which the practice of polygamy was renounced. (6)
-- Oct 1, 1890
[Apostle John Henry Smith] Votes to endorse church president Wilford Woodruffs manifesto banning plural marriages. (7)
-- Oct 6, 1890
"Manifesto" accepted in General Conference. (2)
The Saints sustained President Wilford Woodruff's Manifesto stopping the performance of new plural marriages. (8)
Manifesto sustained in general conference, ending the practice of plural marriage (see OD-1). (9)
At a General Conference, President Lorenzo Snow submits the manifesto for a vote; it is approved unanimously. (1)
Footnotes:
1 - Wikipedia, 19th Century (Mormonism), http://en.wikipedia.org/wiki/19th_century_(Mormonism)
2 - Ludlow, Daniel H. editor, Encyclopedia of Mormonism, Macmillan Publishing, Encyclopedia of Mormonism, Vol. 4, Appendix 2: A Chronology of Church History
3 - Church of Jesus Christ of Latter-day Saints, Teachings of Presidents of the Church: Joseph F. Smith, Salt Lake City, Utah
4 - Thatcher, Linda, History to Go, Statehood Chronology, http://www.onlineutah.com/statehoodchronology.shtml
5 - Church of Jesus Christ of Latter-day Saints, Teachings of Presidents of the Church: Wilford Woodruff, Salt Lake City, Utah
6 - Cline, Austin, History of American Religion: Timeline, http://bit.ly/Fwgbe
7 - White, Jean Bickmore, Church, State, and Politics, p.xviii, A John Henry Smith Chronology
8 - Hemidakaota, "Church Chronology from 1800-2000," http://www.lds.net/forums/scripture-study-forum/12108-church-chronology-1800-2000-part-1-a.html#post214550
9 - Church of Jesus Christ of Latter-day Saints, Chronology of Church History, http://scriptures.lds.org/chchrono/contents
Mormon History Timeline /Chronology
http://lds-church-history.blogspot.com/
