U.S. House of Representatives denied B. H. Roberts his seat. (1)
-- During 1900 January
[Apostle John Henry Smith] Goes to Washington, D.C., to oppose an anti-polygamy amendment to the U.S. Constitution. (2)
-- Feb 1, 1900
[Lucy Mack Smith] Katharine Smith Salisbury dies. (3)
-- Feb 27, 1900
[Apostle Rudger Clawson] Visits 350-year-old Catholic church at Ciudad Juarez, Mexico. (4)
-- Mar 21, 1900
[U.S. Religious History] After the death of founder Dwight L. Moody, the Bible Institute for Home and Foreign Missions changed its name to Moody Bible Institute. (5)
-- Mar 26, 1900
[U.S. Religious History] Rabbi Isaac Mayer Wise, founder of the Union of American Hebrew Congregations and the Hebrew Union College, died. (5)
-- Apr 2, 1900
[Apostle Rudger Clawson] Attends birthday gathering for President Lorenzo Snow at Salt Lake temple annex. (4)
-- Apr 8, 1900
[Quorum of the Twelve] Reed Smoot ordained. (6)
-- Jul 14, 1900
[Apostle Rudger Clawson] Attends meeting at president's office concerning liquidation of Utah Loan and Trust Company. (4)
-- Dec 31, 1900
At the end of the 19th century, the Church had 283,765 members, 43 stakes, 20 missions, 967 units [wards and branches], and 4 operating temples. (7)
-- 1900
Church Membership at end of year: 283,765
New Converts : 12,084
Percent Change from previous year: 4.45% (8)
[David O McKay] Appointed to Weber Stake Sunday School Board. (9)
[Joseph Smith] April 8 - Reed Smoot is ordained an apostle. (10)
Footnotes:
1 - Hemidakaota, "Church Chronology from 1800-2000," http://www.lds.net/forums/scripture-study-forum/12108-church-chronology-1800-2000-part-1-a.html#post214550
2 - White, Jean Bickmore, Church, State, and Politics, p.xviii, A John Henry Smith Chronology
3 - Anderson, Lavina Fielding, Editor, Lucy's Book: A Critical Edition of Lucy Mack Smith's Family Memoir, 2001, Signature Books
4 - Larsen, Stan (editor), A Ministry of Meetings:The Apostolic Diaries of Rudger Clawson, Significant Mormon Diaries Series No. 6, A Rudger Clawson Chronology, Signature Books in association with Smith Research Associates, Salt Lake City 1993
5 - Cline, Austin, History of American Religion: Timeline, http://bit.ly/Fwgbe
6 - 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)
7 - Church of Jesus Christ of Latter-day Saints, United Kingdom, "On This Day," https://www.lds.org.uk/show_oda.php
8 - Wikipedia, The Church of Jesus Christ of Latter-day Saints Membership History, http://en.wikipedia.org/wiki/The_Church_of_Jesus_Christ_of_Latter-day_Saints_membership_history
9 - Church of Jesus Christ of Latter-day Saints, Teachings of Presidents of the Church: David O McKay, Salt Lake City, Utah
10 - Wikipedia, 20th Century (Mormonism), http://en.wikipedia.org/wiki/20th_century_(Mormonism)
Mormon History Timeline /Chronology
http://lds-church-history.blogspot.com/