Served a 3 week mission with Hyrum his brother
Traveled with his fellow Apostles preaching the Gospel and holding conferences.
Accompanied Joseph Smith, Jr. Traveled from Kirtland, Ohio to Far West, Missouri.
D&C 124:129 at Nauvoo, Illinois
Served with Amasa M. Lyman.
Called at conference to serve in South Carolina. Upon Joseph's martyrdom, Wm was asked to remain in the east, baptizing as many as possible. Presided at a conference in Philadelphia on 1 Sep, and in New York on 4 Sep, 1844