Historic events in New Mormon History on 12/3
1848: Apostle Lyman Wight is excommunicated for his pamphlet against succession leadership of Brigham Young over LDS church.
Source: See
The Mormon Hierarchy - Extensions of Power by D. Michael Quinn
1882: second counselor Joseph F. Smith's sermon says, "I think of two or three hundred thousand people wending their way across the great plain... back to Jackson County[, Missouri]." The Mormon population in the stakes of Utah, Idaho, and Arizona is 128,779 at this time.
Source: See
The Mormon Hierarchy - Extensions of Power by D. Michael Quinn
1912: Joseph F. Smith accepts the records of the polygamous marriage performed in Mexico (1900-1903) by Patriarch Alexander F. Macdonald and says they were all authorized.
Source: See
The Mormon Hierarchy - Extensions of Power by D. Michael Quinn
To see the whole database in chronological order,
Click here. Note that I'm not done entering all the information. While most of these facts come from Quinn's book, I'm seeking the primary sources for each, but this will take a long time.