1812 (MDCCCXII) was a leap year starting on Wednesday in the Gregorian calendar and a leap year starting on Monday in the Julian calendar.

Millennium: 2nd millennium
Centuries: 18th century19th century20th century
Decades: 1780s  1790s  1800s  – 1810s –  1820s  1830s  1840s
Years: 1809 1810 181118121813 1814 1815
1812 in other calendars
Gregorian calendar1812
MDCCCXII
Ab urbe condita2565
Armenian calendar1261
ԹՎ ՌՄԿԱ
Assyrian calendar6562
Balinese saka calendar1733–1734
Bengali calendar1219
Berber calendar2762
British Regnal year52 Geo. 3 – 53 Geo. 3
Buddhist calendar2356
Burmese calendar1174
Byzantine calendar7320–7321
Chinese calendar辛未(Metal Goat)
4508 or 4448
    — to —
壬申年 (Water Monkey)
4509 or 4449
Coptic calendar1528–1529
Discordian calendar2978
Ethiopian calendar1804–1805
Hebrew calendar5572–5573
Hindu calendars
 - Vikram Samvat1868–1869
 - Shaka Samvat1733–1734
 - Kali Yuga4912–4913
Holocene calendar11812
Igbo calendar812–813
Iranian calendar1190–1191
Islamic calendar1226–1227
Japanese calendarBunka 9
(文化9年)
Javanese calendar1738–1739
Julian calendarGregorian minus 12 days
Korean calendar4145
Minguo calendar100 before ROC
民前100年
Nanakshahi calendar344
Thai solar calendar2354–2355
Tibetan calendar阴金羊年
(female Iron-Goat)
1938 or 1557 or 785
    — to —
阳水猴年
(male Water-Monkey)
1939 or 1558 or 786

Events

change

Births

for more information, see Category:1812 births.

Deaths

for more information, see Category:1812 deaths.