1811

1811 (MDCCCXI) was a common year starting on Tuesday of the Gregorian calendar and a common year starting on Sunday of the Julian calendar, the 1811th year of the Common Era (CE) and Anno Domini (AD) designations, the 811th year of the 2nd millennium, the 11th year of the 19th century, and the 2nd year of the 1810s decade. As of the start of 1811, the Gregorian calendar was 12 days ahead of the Julian calendar, which remained in localized use until 1923.

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

1811 in other calendars

Gregorian calendar	1811 MDCCCXI
Ab urbe condita	2564
Armenian calendar	1260 ԹՎ ՌՄԿ
Assyrian calendar	6561
Balinese saka calendar	1732–1733
Bengali calendar	1218
Berber calendar	2761
British Regnal year	51 Geo. 3 – 52 Geo. 3
Buddhist calendar	2355
Burmese calendar	1173
Byzantine calendar	7319–7320
Chinese calendar	庚午年 (Metal Horse) 4507 or 4447     — to — 辛未年 (Metal Goat) 4508 or 4448
Coptic calendar	1527–1528
Discordian calendar	2977
Ethiopian calendar	1803–1804
Hebrew calendar	5571–5572
Hindu calendars
- Vikram Samvat	1867–1868
- Shaka Samvat	1732–1733
- Kali Yuga	4911–4912
Holocene calendar	11811
Igbo calendar	811–812
Iranian calendar	1189–1190
Islamic calendar	1225–1226
Japanese calendar	Bunka 8 (文化８年)
Javanese calendar	1737–1738
Julian calendar	Gregorian minus 12 days
Korean calendar	4144
Minguo calendar	101 before ROC 民前101年
Nanakshahi calendar	343
Thai solar calendar	2353–2354
Tibetan calendar	阳金马年 (male Iron-Horse) 1937 or 1556 or 784     — to — 阴金羊年 (female Iron-Goat) 1938 or 1557 or 785

Births

• March 4 - Sir John Lawrence, British Indian administrator
• October 22 – Franz Liszt, Hungarian composer

Events

• May 14 – Paraguay declares independence from Spain.
• Bolivia declares indepencence.
• Uruguay fights against Spain.