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    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...
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  • Thumbnail for 1840 United States census
    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...
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  • Thumbnail for 1840 United States presidential election
    1840 United States presidential election was the 14th quadrennial presidential election, held from Friday, October 30 to Wednesday, December 2, 1840....
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  • Thumbnail for Act of Union 1840
    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...
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  • Thumbnail for Model 1840 army noncommissioned officers' sword
    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...
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  • 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...
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  • Thumbnail for 1840s
    1840s (redirect from 1840's)
    "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...
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  • Thumbnail for Springfield Model 1840 flintlock musket
    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)...
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  • Thumbnail for 1840–41 United States House of Representatives elections
    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...
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  • Thumbnail for 1840–41 United States Senate elections
    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...
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  • Thumbnail for Model 1840 Cavalry Saber
    The Model 1840 Cavalry Saber was based on the 1822 French hussar's sabre. Unlike its replacement, the Model 1860 Light Cavalry Saber, the M1840 has a ridge...
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  • de Paris et des Pays-Bas, married to Sophie Croizette [fr] Louis Stern (1840–1900), banker in Paris, married to Ernesta de Hierschel Jean Stern (1874–1962)...
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  • 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...
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  • Events from the year 1840 in France. Monarch – Louis Philippe I 20 January - Dumont D'Urville discovers Adélie Land, Antarctica. 1 March - Adolphe Thiers...
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  • Thumbnail for Archduchess Maria Anna of Austria (born 1835)
    Archduchess Maria Anna of Austria (27 October 1835 – 5 February 1840) was by birth an Archduchess of Austria and a member of the House of Habsburg. She...
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  • This article details events in the year 1840 in India. Occurrences include the establishment of the Bank of Bombay, and the fall of the Maqpon dynasty...
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  • This article encompasses the 1840–1849 Atlantic hurricane seasons. While data is not available for every storm that occurred, some parts of the coastline...
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  • Thumbnail for 1840 United States presidential election in New York
    The 1840 United States presidential election in New York took place between October 30 and December 2, 1840, as part of the 1840 United States presidential...
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    Zealand from Sydney in January 1840, Captain William Hobson came to New Zealand and issued the same proclamation on 1 February 1840. The Treaty of Waitangi—between...
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  • Thumbnail for 1840 United States presidential election in Pennsylvania
    The 1840 United States presidential election in Pennsylvania took place between October 30 and December 2, 1840, as part of the 1840 United States presidential...
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  • Thumbnail for Dicyclohexyl phosphorofluoridate
    Dicyclohexyl phosphorofluoridate (DCFP), also known as TL-941 or T-1840, is an extremely toxic organophosphorus compound with powerful anticholinesterase...
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  • Thumbnail for 1840 Hus
    1840 Hus (prov. designation: 1971 UY) is a stony Koronis asteroid from the outer regions of the asteroid belt, approximately 12.5 kilometers (7.8 miles)...
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  • The List of historic monuments protected in 1840 is a list of the historic monuments of France created in 1840 by the French Commission for Historical Monuments...
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  • The year 1840 in science and technology involved some significant events, listed below. William Whewell publishes The Philosophy of the Inductive Sciences...
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  • Thumbnail for Marie Kalergi (1840–1877)
    Marie Kalergi (16 January 1840 – 11 March 1877) was a Polish noblewoman. Born in Saint Petersburg, she was the daughter of Jan Kalergi, of the Greek Kallergis...
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  • Thumbnail for 1840 in Canada
    Events from the year 1840 in Canada. Monarch: Victoria Parliament of Lower Canada: 15th Governor of the Canadas: Robert Milnes Governor of New Brunswick:...
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  • The year 1840 in architecture involved some significant architectural events and new buildings. 27 April – The foundation stone of the new Palace of Westminster...
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  • Thumbnail for 1840 United States presidential election in Virginia
    The 1840 United States presidential election in Virginia took place between October 30 and December 2, 1840, as part of the 1840 United States presidential...
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  • Thumbnail for Journals of Expeditions of Discovery into Central Australia
    by Ray Ericksen. The party left Adelaide late in the morning of June 18, 1840, and after 12 miles of travel, they arrive at their first bivouac site in...
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  • Events from the year 1840 in art. March 4 – Alexander S. Wolcott and John Johnson open their "Daguerreian Parlor" on Broadway (Manhattan), the world's...
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