|Centuries:||19th century - 20th century - 21st century|
|Decades:||1940s 1950s 1960s - 1970s - 1980s 1990s 2000s|
|Years:||1970 1971 1972 1973 1974 1975 1976 1977 1978 1979|
- December 30 - Spencer W. Kimball sustained and set apart as president of The Church of Jesus Christ of Latter-day Saints.
- December 26 - Harold B. Lee dies in Salt Lake City, Utah.