Historic events in New Mormon History on 3/29
1904: the last plural marriage performed by stake president Anthony W. Ivins in Mexico.
Source: See
The Mormon Hierarchy - Extensions of Power by D. Michael Quinn
1940: The First Presidency asks Apostle Joseph Fielding Smith to chair the "Literature Censorship Committee authorized by the Quorum last Thursday."
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.