170 years ago today - Dec 5, 1841

Nauvoo, Illinois. Joseph Smith began to proof a new edition of the Book of Mormon prior to its being stereotyped.

[Source: Joseph Smith Resource Center: Daily Events in the Life of Joseph Smith, http://josephsmith.net/josephsmith/v/index.jsp?vgnextoid=e581001cfb340010VgnVCM1000001f5e340aRCRDlocale=0]