The "Mormon Rebellion" refers to a series of conflicts involving the Latter-day Saints, commonly known as Mormons, during the mid-19th century. Tensions arose primarily due to the Mormons' migration to Utah and their desire for self-governance, which clashed with the interests of the U.S. government. The most notable event was the Utah War in 1857-1858, when federal troops were sent to assert control over the territory. The conflict was fueled by misunderstandings and fears on both sides. The Mormons, led by Brigham Young, sought to protect their community and religious practices, while the U.S. government aimed to maintain order and authority. Ultimately, the rebellion did not result in significant violence, and negotiations led to a peaceful resolution.