1840

Millennium:	2nd millennium
Centuries:	18th century – 19th century – 20th century
Decades:	1810s  1820s  1830s  – 1840s –  1850s  1860s  1870s
Years:	1837 1838 1839 – 1840 – 1841 1842 1843

1840 in other calendars

Gregorian calendar	1840 MDCCCXL
Ab urbe condita	2593
Armenian calendar	1289 ԹՎ ՌՄՁԹ
Assyrian calendar	6590
Balinese saka calendar	1761–1762
Bengali calendar	1247
Berber calendar	2790
British Regnal year	3 Vict. 1 – 4 Vict. 1
Buddhist calendar	2384
Burmese calendar	1202
Byzantine calendar	7348–7349
Chinese calendar	己亥年 (Earth Pig) 4536 or 4476     — to — 庚子年 (Metal Rat) 4537 or 4477
Coptic calendar	1556–1557
Discordian calendar	3006
Ethiopian calendar	1832–1833
Hebrew calendar	5600–5601
Hindu calendars
- Vikram Samvat	1896–1897
- Shaka Samvat	1761–1762
- Kali Yuga	4940–4941
Holocene calendar	11840
Igbo calendar	840–841
Iranian calendar	1218–1219
Islamic calendar	1255–1256
Japanese calendar	Tenpō 11 (天保１１年)
Javanese calendar	1767–1768
Julian calendar	Gregorian minus 12 days
Korean calendar	4173
Minguo calendar	72 before ROC 民前72年
Nanakshahi calendar	372
Thai solar calendar	2382–2383
Tibetan calendar	阴土猪年 (female Earth-Pig) 1966 or 1585 or 813     — to — 阳金鼠年 (male Iron-Rat) 1967 or 1586 or 814

1840 (MDCCCXL) was a leap year starting on Wednesday in the Gregorian calendar and a leap year starting on Monday in the Julian calendar.

Events

• The Great Natchez Tornado: A massive tornado hits Natchez, Mississippi. Before it was over, 317 people had died and 209 were injured.

Births

• January 3– Father Damien, priest
• January 18 – Edmund Barton, 1st Prime Minister of Australia (d. 1920)
• May 7 – Pyotr Ilyich Tchaikovsky, Russian composer
• Kuroda Kiyotaka, Prime Minister of Japan

Deaths

• May 27 – Niccolò Paganini, Italian violinist and composer