1940s
- 9 February 1941
- Reed Smoot dies.
- 10 April 1941
- Harold B. Lee ordained.
- 29 May 1943
- Sylvester Q. Cannon dies.
- 21 June 1943
- Rudger Clawson dies. George Albert Smith becomes President of the Quorum.
- 7 October 1943
- Spencer W. Kimball and Ezra Taft Benson ordained.
- 12 November 1943
- Richard R. Lyman excommunicated.
- 20 April 1944
- Mark E. Petersen ordained.
- 14 May 1945
- Heber J. Grant dies.
- 21 May 1945
- The First Presidency is reorganized, with George Albert Smith President, J. Reuben Clark First Counselor, and David O. McKay Second Counselor. George F. Richards becomes President of the Quorum.
- 11 October 1945
- Matthew Cowley ordained.
- 21 January 1947
- Charles A. Callis dies.
- 10 April 1947
- Henry D. Moyle ordained.
Read more about this topic: Chronology Of The Quorum Of The Twelve Apostles (LDS Church)