170 years ago today - Dec 27, 1841

Joseph Smith exhibits to the Twelve what Young calls the "seer stone" but what Woodruff calls the "Urim and Thummim." Young says that at Nauvoo Smith finds two more seer stones on the banks of the Mississippi River.

[Source: Quinn, D. Michael, The Mormon Hierarchy: Origins of Power, Appendix 7: Selected Chronology of the Church of Jesus Christ of Latter-day Saints, 1830-47, http://amzn.to/origins-power]