May 1843 Wilford assists in publication of the Nauvoo Neighbor (published until Saints leave Nauvoo in 1846).
May 15-16, 1843 Revelation received by Joseph Smith explaining the necessity of eternal marriage for exaltation Doctrine and Covenants 131
July - Nov 1843 Wilford serves fourth mission in Eastern United States (with other apostles) to raise funds for temple.
July 12, 1843 Revelation regarding new and everlasting covenant of marriage for eternity dictated. Doctrine and Covenants 132:15-20