Rachel Daigle Introduction In 1839, a beleaguered, exiled group known as the Church of Latter Day Saints of Jesus Christ—also known as the Mormons—crossed the Missouri border into Jackson County, Illinois. Fleeing from years of violent persecution by non-Mormons, the Mormons set up the city of Nauvoo under the aegis of their prophet, Joseph Smith, … Continue reading Mormon Conflict and Controversy at Nauvoo, 1839-1846