All of the conflicts in the Mormon War occurred in a corridor 100 miles (160 km) to the east and northeast of Kansas City, Missouri.
As a result of the war, nearly all Mormons in Missouri, estimated at more than 10,000, were forced to leave the state.
The Mormon War is a name that is sometimes given to the 1838 conflict which occurred between Latter-day Saints (Mormons) and their neighbors in the northwestern region of the US state of Missouri.
This conflict is also sometimes referred to as the Missouri Mormon War to differentiate it from the Utah Mormon War (also known as the "Utah War") and the lesser known Illinois Mormon War.
The specific dates of the war are from August 6, 1838, (the Gallatin election battle) to November 1, 1838, when Joseph Smith surrendered at Far West.
During the conflict 22 people were killed (three Mormons and one non-Mormon at Crooked River, The conflict was preceded by the eviction of the Mormons from Jackson County, Missouri, in 1833.
Smith's followers, commonly known as Mormons, began to settle in Jackson County in 1831 to "build up" the city of Zion.
Tensions built up between the rapidly growing Mormon community and the earlier settlers for a number of reasons: culminating in the expulsion of the Mormons from the entire state.
When Joseph Smith and volunteers rode to Adam-ondi-Ahman to assess the situation, they discovered there were no truths to the rumors.
When the Mormons heard a rumor that Judge Adam Black was gathering a mob near Millport, one hundred armed men, including Joseph Smith, surrounded Black's home.
The presidency responded by urging the dissenters to leave the county, using strong words that the dissenters interpreted as threats.