1840 was a leap year.

Millennium: 2nd millennium
Centuries: 18th century19th century20th century
Decades: 1810s  1820s  1830s  – 1840s –  1850s  1860s  1870s
Years: 1837 1838 183918401841 1842 1843

Events change

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

Births change

Deaths change