Editing Brigham Young (section)

==Migration west==
{{See also|Mormon pioneers}}
Repeated conflict in Nauvoo led Young to relocate his group of Latter-day Saints to the [[Salt Lake Valley]], which was then part of Mexico. Young organized the journey that would take the [[Mormon pioneers]] to [[Winter Quarters, Nebraska]], in 1846, before continuing on to the Salt Lake Valley.{{sfn|Alexander|2019|page=71}} By the time Young arrived at the final destination, it had come under American control as a result of [[Mexican–American War|war with Mexico]], although U.S. sovereignty would not be confirmed [[Treaty of Guadalupe Hidalgo|until 1848]].{{sfn|Gibbons|1981|page=157}} Young arrived in the Salt Lake Valley on July 24, 1847, a date now recognized as [[Pioneer Day (Utah)|Pioneer Day]] in Utah.{{sfn|Alexander|2019|page=76}} Two days after their arrival, Young and the Twelve Apostles climbed the peak just north of the city and raised the American flag, calling it the "Ensign of Liberty".<ref>{{Cite journal |last=Walker |first=Ronald W. |date=Winter 1993 |title="A Banner is Unfurled": Mormonism's Ensign Peak |url=https://www.dialoguejournal.com/wp-content/uploads/sbi/articles/Dialogue_V26N04_89.pdf |archive-url=https://ghostarchive.org/archive/20221009/https://www.dialoguejournal.com/wp-content/uploads/sbi/articles/Dialogue_V26N04_89.pdf |archive-date=October 9, 2022 |url-status=live |journal=[[Dialogue: A Journal of Mormon Thought|Dialogue]] |volume=26|issue=4 |pages=71–91 |doi=10.2307/45228700 |jstor=45228700 |s2cid=254321480 }}</ref>

[[File:Brigham Young's Home Property, surveyed March 12, 1862. Located in Plat E, SLC Survey.png|thumb|left|Young's home property, surveyed in 1862]]
Among Young's first acts upon arriving in the valley were the naming of the city as "The City of the Great Salt Lake" and its organization into blocks of ten acres, each divided into eight equal-sized lots.{{sfn|Alexander|2019|page=78}} On August 7, Young suggested that the members of the camp be re-baptized to signify a re-dedication to their beliefs and covenants.{{sfn|Turner|2012|pp=169-170}}  Young spent just over a month in the Valley recovering from [[Colorado tick fever|mountain fever]] before returning to Winter Quarters on August 31.{{sfn|Gibbons|1981|page=145}} Young's expedition was one of the largest and one of the best organized westward treks, and he made various trips back and forth between the Salt Lake Valley and Winter Quarters to assist other companies in their journeys.<ref>{{Cite web|url=http://historytogo.utah.gov/people/brighamyoung.html|title=Brigham Young|website=historytogo.utah.gov|access-date=February 29, 2016|archive-date=March 1, 2016|archive-url=https://web.archive.org/web/20160301163659/http://historytogo.utah.gov/people/brighamyoung.html|url-status=dead}}</ref>

After three years of leading the church as the [[President of the Quorum of the Twelve Apostles (LDS Church)|President of the Quorum of the Twelve Apostles]], Young reorganized a new [[First Presidency (LDS Church)|First Presidency]] and was [[Common consent|sustained]] as the second president of the church on December 27, 1847, at Winter Quarters.{{sfn|Turner|2012|pp=173-174}} Young named Heber C. Kimball as his first counselor and Willard Richards as his second.{{sfn|Turner|2012|page=173}}{{sfn|Alexander|2019|page=81}} Young and his counselors were again sustained unanimously by church members at a church conference in Salt Lake City in September 1850.{{sfn|Turner|2012|page=206}}