Wikimedia Commons has media related to 1840. 1840 (MDCCCXL) was a leap year starting on Wednesday of the Gregorian calendar and a leap year starting on...

1840 United States presidential election was the 14th quadrennial presidential election, held from Friday, October 30 to Wednesday, December 2, 1840....

The 1840 United States census was the sixth census of the United States. Conducted by U.S. marshals on June 1, 1840, it determined the resident population...

1840 in sports describes the year's events in world sport. Events 22 September — James Burke meets Nicholas Ward at Lillingstone Level for the English...

America Act, 1840 (3 & 4 Vict. c. 35), also known as the Act of Union 1840, (French: Acte d’Union) was approved by Parliament in July 1840 and proclaimed...

Model 1840 light artillery saber was a saber of about 42 inches in length with a curved, single-edged blade and iron scabbard. The U.S. Model 1840 light...

"eighteen-forties") was a decade of the Gregorian calendar that began on January 1, 1840, and ended on December 31, 1849. The decade was noted in Europe for featuring...

The Springfield Model 1840 was a flintlock musket manufactured by the United States during the mid-19th century. The .69 caliber musket had a 42-inch (107 cm)...

The Model 1840 noncommissioned officers' sword was adopted by the United States military in 1840. Based primarily on a sword used by the French Army, the...

The 1840–41 United States House of Representatives elections were held on various dates in various states between July 6, 1840, and November 2, 1841. Each...