Chronology: 1843 — Officially recorded year of Joseph Smith's revelation that Mormon men are allowed to have more than one wife.
1852 —The Church of Jesus Christ of Latter-day Saints reveals Doctrine and Covenant 132, which makes plural marriage legal in the eyes of the church.
1862 — U.S. Congress passes a bill prohibiting polygamy.
1879 — George Reynolds (LDS prophet Brigham Young's secretary) appeals his conviction on polygamy to the U.S. Supreme Court, saying that the law infringes his constitutional right to freedom of religion. The justices disagree and Reynolds goes to prison.