1812

Centuries:	18th century 19th century 20th century
Decades:	1790s 1800s 1810s 1820s 1830s
Years:	1809 1810 1811 1812 1813 1814 1815
Categories:	Births - Deaths Establishments - Publications
Media:	1812 (Events)

1812 was a leap year of the Gregorian calendar and a leap year of the Julian calendar, the 1812th year of the Common Era (CE), the 12th year of the 19th century, and the 3rd year of the 1810s decade. As of the start of 1812, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.