::1811

	1811 in topic:
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Millennium:	2nd millennium
Centuries:	18th century – 19th century – 20th century
Decades:	1780s 1790s 1800s – 1810s – 1820s 1830s 1840s
Years:	1808 1809 1810 – 1811 – 1812 1813 1814

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A picture of the Italian scientist Amedeo Avogadro, who on July 14, 1811 published his memoir about the molecular content of gases.

Year 1811 (MDCCCXI) was a common year starting on Tuesday (link will display the full calendar) of the Gregorian calendar and a common year starting on Sunday of the 12-day slower Julian calendar.

1811 sections
Intro Events Births Deaths References