1809

Centuries:	18th century 19th century 20th century
Decades:	1780s 1790s 1800s 1810s 1820s
Years:	1806 1807 1808 1809 1810 1811 1812
Categories:	Births - Deaths Establishments - Publications
Media:	1809 (Events)

1809 was a common year of the Gregorian calendar and a common year of the Julian calendar, the 1809th year of the Common Era (CE), the 9th year of the 19th century, and the 10th and last year of the 1800s decade. As of the start of 1809, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.