|Centuries:||19th century - 20th century - 21st century|
|Decades:||1890s 1900s 1910s - 1920s - 1930s 1940s 1950s|
|Years:||1920 1921 1922 1923 1924 1925 1926 1927 1928 1929|
- December 6 - South America dedicated for the preaching of the gospel by Melvin J. Ballard.
- December 6 - South America Mission formed, with headquarters in Buenos Aires, Argentina.
- May 16 - Charles W. Penrose dies in Salt Lake City.