The Utah War (1857–1858), also known as the Utah Expedition, the Utah Campaign, Buchanan's Blunder, the Mormon War, or the Mormon Rebellion, was an armed confrontation between See more

July–November 1857: tactical standoff
Preparations
Although the Utah Expedition had begun to gather as early as … See more

Although Eastern editors continued to condemn the Mormons' religious beliefs and practices, they praised their heroism in the face of military … See more

In 1857–1858, President James Buchanan sent U.S. forces to the Utah Territory in what became known as the Utah Expedition. Members of the Church of Jesus Christ of Latter-day Saints (LDS Church), also known as Mormons or Latter-day Saints, … See more

Exodus to the Utah Territory
Mormons began settling in what is now Utah (then part of Alta California in the Centralist Republic of Mexico) in the summer of 1847. … See more

In the meantime, President Buchanan had come under considerable pressure from Congress to end the crisis. In February 1858, Senator Sam Houston of Texas stated that a war … See more

• March 1857: James Buchanan takes office as President of the United States, and decides to take action.
• April 1857: The press in the Eastern U.S. begins to speculate on who would be appointed to replace Brigham Young. See more