This massive slaughter claimed nearly everyone in the party from Arkansas and is the event referred to as the Mountain Meadows Massacre. The Mountain Meadows Massacre occurred 11 September 1857, when some 50 to 60 local militiamen in southern Utah, aided by American Indian allies, massacred about 120 emigrants who were traveling by wagon to California. 120 men, women and children traveling in the wealthy wagon train headed to California were killed at Mountain Meadows. Tensions increased following the 1857 Mountain Meadows Massacre, in which a group of Mormons killed members of a wagon train passing through the region. For a century and a half the Mountain Meadows Massacre has shocked and distressed those who have learned of it. The Mountain Meadows Massacre summary: A series of attacks was staged on the Baker-Fancher wagon train around Mountain Meadows in Utah. Only 17 children were allowed to live–all under the age of 7. They claim that some of the militia … The Mountain Meadows Massacre Descendants site is dedicated in loving memory to our ancestors who died in the massacre at Mountain Meadows, Utah September 7-11th, 1857. James Buchanan dispatched a military expedition to Utah to suppress the Mormon “rebellion” and to impose… Massacre at Mountain Meadows portrays some Paiutes as manipulated participants in the attack, but many Paiutes dispute any role. In response to the conflicts with federal officials, U.S. Pres. The Aftermath of Mountain Meadows The massacre almost brought the United States to war against the Church of Jesus Christ of Latter-day Saints, but only one man was brought to trial: John D