|Centuries:||18th century - 19th century - 20th century|
|Decades:||1800s 1810s 1820s - 1830s - 1840s 1850s 1860s|
|Years:||1830 1831 1832 1833 1834 1835 1836 1837 1838 1839|
- July 20 - The British Mission formally organized as the Church's first mission.
- July 23 - D&C 112 recorded by Joseph Smith in Kirtland, Ohio.
- August 6 - The Preston England Branch, the first outside of the United States, is created
- September 13 - Jerusha Smith, formally Barden, dies, leaving Hyrum with six children.