Many Mormons embark on a mass exodus…

Many Mormons embark on a mass exodus from the Midwest to the Great Basin departing Nauvoo, Illinois, on January 5.

For two years after Joseph's Smith's assassination, conflicts had escalated between Mormons and other Illinois residents.

To prevent war, Brigham Young leads the Mormon pioneers (constituting most of the Latter Day Saints) to a temporary winter quarters in Nebraska.