1840s
From Bahaikipedia
| Centuries: | 18th century - 19th century - 20th century |
| Decades: | 1810s 1820s 1830s - 1840s - 1850s 1860s 1870s |
| Years: | 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 |
| Categories: | Births - Deaths - Declarations Establishments - Publications |
The 1840s decade refers to the years 1840 to 1849, inclusive, of the standard Gregorian calendar.
