* September 10 – Hannah Webster Foster, U. S. novelist ( d. 1840 )

* March 10 – Robert Allison ( Pennsylvania ), U. S. Representative ( d. 1840 )

Upon graduation in 1840, Sherman entered the Army as a second lieutenant in the 3rd U. S. Artillery and saw action in Florida in the Second Seminole War against the Seminole tribe.

Glele resisted British diplomatic overtures, however, distrusting their manners and noting that they were much more activist in their opposition to the slave trade: though revolutionary France itself had outlawed slavery at the end of the 18th century it allowed the trade to continue elsewhere ; Britain outlawed slavery in the U. K. and in its overseas possessions in 1833, and had its navy make raids against slavers along the West African coast starting in 1840.

* William Smith ( South Carolina senator ) ( 1762 – 1840 ), U. S. senator from South Carolina ( 1815 – 1830 )

* Blue Wing Inn of 1840, where such notable guests, according to local tradition, included John C. Frémont, U. S. Grant, Governor Pío Pico, Kit Carson, Fighting Joe Hooker, William T. Sherman, Phil Sheridan, and members of the Bear Flag Party.

Headquartered at New Harmony, Owen conducted the first official geological survey of Indiana ( 1837 – 39 ), and, after his appointment as U. S. Geologist in 1839, he led federal surveys from 1839 to 1840 and from 1847 to 1851.

The native population was numerous until the autumn of 1840 when the U. S. Government forcibly removed the Indians to reserves west of the Mississippi under Authority of the Indian Removal Act and Treaty of Chicago.

* Thomas Corwin-Governor of Ohio from 1840 to 1842 ; U. S. Senator from 1845 to 1850

According to U. S. census reports from 1800 through 1840, York ranked within the nation's top 100 most populous urban areas.

* John Rutherfurd ( 1760 – 1840 ), U. S. Senator.

The Model 1840 U. S. musket was the last flintlock firearm produced for the U. S. military, although obsolete flintlocks were seeing action in the earliest days of the American Civil War, for example, during the first year of the war, the Army of Tennessee had over 2, 000 flintlock muskets in service.

* John Philip Holland ( 1840 – 1914 ), designed submarines for the U. S. Navy and Royal Navy

By 1840, Jews constituted a tiny, but nonetheless stable, middle-class minority of about 15, 000 out of the 17 million Americans counted by the U. S. Census.

* November 7, 1840: U. S. presidential election, 1840: William Henry Harrison defeated Martin Van Buren

U. S. territorial extent in 1840

* Joseph M. Street ( 1782 – 1840 ), U. S. Army officer and U. S. Indian agent to the Winnebago, Sauk, and Fox tribes after the Black Hawk War

He returned to the U. S. in 1840.

* Monroe Hayward ( 1840 – 1899 ), U. S. senator

Dodge, a Democrat, had also represented Iowa Territory in Congress as its delegate to the U. S. House of Representatives from 1840 to 1846.

As a result of the Act of March 3, 1839, the position of Iowa Territory's Delegate to the U. S. House would become vacant on October 27, 1840, and Dodge was elected to fill it.

The light beam from the lamp was filtered through a half-standard thickness Corning 1840 filter.

At the point where they ended, another settlement grew up around a chapel built at the boat landing by Father Lucian Galtier in 1840.

Its people, including Pierre Bottineau and other American Fur Company employees and the refugees from Fort Garry, were joined by the remaining Scots and Swiss from Fort Snelling when Major Joseph Plympton expelled them from the reservation in May 1840.

While population at Fort Garry increased rapidly, from 2,417 in 1831 to 4,369 in 1840, economic opportunities did not increase at a similar rate.

In 1840, Lincoln became engaged to Mary Todd, who was from a wealthy slave-holding family in Lexington, Kentucky.

In February 1840, he resigned and returned to Kentucky, where he married Eliza Griffin in 1843.

By 1840 there were still only ten colonial bishops for the Church of England ; but even this small beginning greatly facilitated the growth of Anglicanism around the world.

* 1792 – John Lambton, 1st Earl of Durham, English statesman ( d. 1840 )

* For Ibn Sina's life, see Ibn Khallikan's Biographical Dictionary, translated by de Slane ( 1842 ); F. Wüstenfeld's Geschichte der arabischen Aerzte und Naturforscher ( Göttingen, 1840 ).

William Baker Ashton was appointed Governor of the temporary goal in 1839, and in 1840 George Strickland Kingston was commissioned to design Adelaide's new Gaol.

* 1840 – Laborer slaves in most of the British Empire are emancipated.

* 1770 – Frederick William III of Prussia ( d. 1840 )

* 1840 – John Bigham, 1st Viscount Mersey, English jurist and politician ( d. 1929 )

In late April 1840 Alcott moved to the town of Concord urged by Emerson.

On July 26, 1840, Abby May gave birth again.

In New York, for example, The Knickerbocker published a parody titled " Gastric Sayings " in November 1840.

* 1840 – Richard von Krafft-Ebing, German psychologist ( d. 1902 )

* 1840 – Ferdinand Hamer, Dutch missionary and bishop ( d. 1900 )

Starting in 1840, the railway from Cologne to Belgium passed through Aachen.

In 1840 Johnson was appointed as a presidential elector for his state, giving him more statewide exposure.

* 1840 – Émile Zola, French novelist and critic ( d. 1902 )

* 1840 – Alexander Cameron Sim, Scottish pharmacist and businessman, founded Kobe Regatta & Athletic Club ( d. 1900 )

* 1798 – Étienne Bobillier, French mathematician ( d. 1840 )

Archery, romance and elite culture in England and Wales, c. 1780 – 1840, 89, 193 – 208.