LDS History, Mar 15, 1868

-- Mar 15, 1868
A company was partially organized for building a railroad between Ogden and Salt Lake City. (1)

-- Apr 06, 1868
[U.S. Religious History] Mormon leader Brigham Young married his 27th and final wife. (2)

-- May 9, 1868
The last rail was laid connecting the U. P. and C.P. railroads, thus completing the first railroad across the continent. (1)

-- May 17, 1868
The first ground was broken for the Utah Central Railroad. (1)

-- During May 1868
[Heber C. Kimball] Thrown from wagon by lunging horse in Provo. (3)

-- Jun 11, 1868
[Heber C. Kimball] Suffers paralytic stroke in Salt Lake City. (3)

-- Jun 19, 1868
--Ground was broken in Weber Canyon, on the U. P. Railroad. (1)

-- Jun 22, 1868 - 7 October 1868
[1st Presidency Changes] Brigham Young Daniel H. Wells Joseph F. Smith (Counselor) Death of Heber C. Kimball (4)

-- Jun 22, 1868
[Heber C. Kimball] Dies of a subdural hematoma. (3)

[Quorum of the Twelve] Heber C. Kimball dies. (5)

-- Jun 24, 1868
[Heber C. Kimball] Funeral in Salt Lake Tabernacle. Buried in family graveyard on today's Gordon Place in Salt Lake City. (3)

-- Jun 25, 1868
The flint company of Latter-day Saint emigrants reached Ogden, per U. P. R. R. (1)

-- Sep 25, 1868
Last wagon train of pioneers entered the Salt Lake Valley. (6)


Footnotes:
1 - Richards, Franklin Dewey and Little, James A., Compendium of the Doctrines of the Gospel, Church Chronology, Ch.66, p.306
2 - Cline, Austin, History of American Religion: Timeline, http://bit.ly/Fwgbe
3 - Kimball, Stanley B. (editor), On the Potter's Wheel: The Diaries of Heber C. Kimball, Chronology, Signature Books in association with Smith Research Associates, Salt Lake City, 1987
4 - Wikipedia, First Presidency (LDS Church), http://en.wikipedia.org/wiki/First_Presidency_(LDS_Church)#Chronology_of_the_First_Presidency
5 - 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)
6 - Hemidakaota, "Church Chronology from 1800-2000," http://www.lds.net/forums/scripture-study-forum/12108-church-chronology-1800-2000-part-1-a.html#post214550
Mormon History Timeline /Chronology
http://lds-church-history.blogspot.com/