High Quality Content by WIKIPEDIA articles! The Church of Jesus Christ of Latter-day Saints (the LDS Church or, colloquially, the Mormon Church) is the largest denomination in the Latter Day Saint movement, a Christian primitivist movement started by Joseph Smith during the American Second Great Awakening. The church is headquartered in Salt Lake City, Utah, and has established congregations (called wards or branches) and built temples worldwide. With over 50,000 missionaries serving worldwide at any given time, the church currently claims a growing membership of over 14.1 million. The church's predominant theology is the belief that the original doctrines and priesthood authority of Christ are restored.