1820

Centuries:	18th century 19th century 20th century
Decades:	1800s 1810s 1820s 1830s 1840s
Years:	1817 1818 1819 1820 1821 1822 1823
Categories:	Births - Deaths Establishments - Publications
Media:	1820 (Events)

1820 was a leap year of the Gregorian calendar and a leap year of the Julian calendar, the 1820th year of the Common Era (CE), the 20th year of the 19th century, and the 1st year of the 1820s decade. As of the start of 1820, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

Births

• Ásíyih Khánum, known as Navváb, Bahá’u’lláh's first wife.
• Khadíjih Bagum, wife of The Báb.