170 years ago today - Nov 7, 1841

[Polygamy] Joseph Smith publicly preaches that "if we would not accuse him he would not accuse us. John C. Bennett subsequently teaches that adultery is acceptable if kept secret.

[Source: Hales, Brian C., Joseph Smith's Polygamy: History and Theology, 2 vols., Salt Lake City: Greg Kofford Books, 2011 (www.JosephSmithsPolygamy.com)]