[At the School of the Prophets] Sidney requests that he and Frederick G. Williams be ordained presidents of the High Priesthood, equal to Joseph, as revealed March 8. Joseph ordains them (organization of what would become known as the First Presidency). Vision promised. Many see vision of the Savior and angels.
[Source: Kenney, Scott, Saints Without Halos, "Mormon History 1830-1844," http://web.archive.org/web/20120805163534/saintswithouthalos.com/dirs/d_c.phtml]