1820s
From Bahaikipedia
| Centuries: | 18th century - 19th century - 20th century |
| Decades: | 1790s 1800s 1810s - 1820s - 1830s 1840s 1850s |
| Years: | 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 |
| Categories: | Births - Deaths - Declarations Establishments - Publications |
The 1820s decade refers to the years 1820 to 1829, inclusive, of the standard Gregorian calendar.
