July 13, 1857 President Buchanan removes Brigham Young as Governor; sends army to escort new Governor Cumming.
September 7, 1857 - September 11, 1857 Attack on wagon train of emigrants and massacre at Mountain Meadows.
September 29, 1857 John D. Lee gives false report of Mountain Meadows massacre to Wilford and Brigham Young.
October 16, 1857 United States Army Colonel Alexander's letter threatens Church members with extermination if they oppose Army.
Nov 1857 - April 1858 United States Army winters at Camp Scott, Wyoming, 100 miles from Salt Lake City.