  the utah war, also known as the utah expedition, utah campaign, buchanan's blunder,poll, richard d., and ralph w. hansen. "'buchanan's blunder' the utah war, 1857â1858", in military affairs 25, 3 (1961): 121â131 the mormon war, or the mormon rebellion was an armed confrontation between mormon settlers in the utah territory and the armed forces of the united states government. the confrontation lasted from may 1857âjuly 1858. there were some casualties, mostly non-mormon civilians, and the war had few notable battles, there was one where cap. lot smith was almost killed by artillery but generally most were resolved through negotiation. ==overview== in 1857-1858, president james buchanan sent u.s. forces to the utah territory and, what became known as the utah expedition. the mormons, fearful that 
Nauvoo_Legion Religion-based_wars Religious_persecution Religiously_motivated_violence_in_the_United_States Utah_Territory Utah_War