 | 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... 18 KB (2,014 words) - 17:14, 5 February 2024 |
 | 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... 25 KB (1,118 words) - 18:50, 17 February 2024 |
 | 1840 United States presidential election was the 14th quadrennial presidential election, held from Friday, October 30 to Wednesday, December 2, 1840.... 36 KB (2,657 words) - 08:42, 28 April 2024 |
 | UGC 1840 known as Arp 145, are a pair of interacting galaxies located 250 million light-years away from the solar system in the Andromeda constellation... 4 KB (270 words) - 13:10, 28 April 2024 |
 | 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... 14 KB (1,629 words) - 16:07, 3 February 2024 |
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... 2 KB (199 words) - 20:34, 10 July 2022 |
 | The 1840–41 United States Senate elections were held on various dates in various states. As these U.S. Senate elections were prior to the ratification... 47 KB (1,029 words) - 02:00, 7 March 2023 |
 | 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)... 4 KB (265 words) - 17:57, 29 March 2024 |
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... 4 KB (244 words) - 09:17, 11 February 2022 |
 | "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... 95 KB (10,799 words) - 09:53, 21 April 2024 |