Among the most important figures of the federal era include the first democratically elected president in Honduras, Dionisio de Herrera, a lawyer, whose government, begun in 1824 established the first constitution, Gen. Francisco Morazán, Federal President 1830-1834 and 1835 – 1839, whose figure embodies the ideal American Unionist, and José Cecilio del Valle, editor of the Declaration of Independence signed in Guatemala on September 15, 1821 and Foreign Minister of Mexico in 1823.

" In 1839, after moving to Illinois, Smith and his party appealed to members of Congress and to President Van Buren to intercede for the Mormons.

Alphonso Taft went to Cincinnati in 1839 to open a law practice, and was a prominent Republican who served as Secretary of War and Attorney General under President Ulysses S. Grant.

His uncle, Theodore Frelinghuysen ( 1787 – 1862 ), was Attorney General of New Jersey from 1817 to 1829, was a U. S. Senator from New Jersey from 1829 to 1835, was the Whig candidate for Vice President of the United States on the Henry Clay ticket in the 1844 Presidential election, and was Chancellor of New York University from 1839 until 1850 and president of Rutgers College from 1850 to 1862.

The city of Houston served as the capital until President Mirabeau Lamar signed a measure that moved the capital to Austin on January 14, 1839.

With the diplomatic intervention of Great Britain, eventually President Bustamante promised to pay the 600, 000 pesos and the French forces withdrew on 9 March 1839.

He was appointed by President Martin Van Buren as Envoy Extraordinary and Minister Plenipotentiary to Russia from 1837 to 1839, when he was recalled at his own request.

* William Lenoir ( 1751 – 1839 ), the first President of the University of North Carolina at Chapel Hill.

When originally formed in 1838, the county was named Roberts County, after settler Hiram Roberts ; it was renamed in 1839 for James Buchanan, then a U. S. Senator and later President of the United States.

Washington Township, which is named after President George Washington, was created June 29, 1839, by the county commissioners.

Jackson Township, which is thought to be named after President Andrew Jackson, was created by the commissioners on September 22, 1839.

In 1839, President Martin Van Buren commissioned Stephens as Special Ambassador to Central America.

President Martin Van Buren assigned Brigadier General Winfield Scott, then involved in the Cherokee relocation, to the conflict area ; he arrived in Boston in early March 1839.

Additional information arriving in Washington through April and May 1839 kept Congressional debate lively until Congress authorized a force of 50, 000 men and appropriated $ 10 million, placed at the disposal of the President in the event foreign military troops crossed into United States territory during the Congressional recess of summer 1839.

Throughout 1839, he and his supporters now petitioned President Van Buren, Governor of New York William H. Seward, United States Attorney General Felix Grundy, and United States Secretary of State John Forsyth.

The title of " President of Guatemala " has been the usual title of the leader of Guatemala since 1839, when that title was assumed by Mariano Rivera Paz.

He was then President of the Board of Trade under Lord Melbourne in 1834 and again between 1835 and 1839.

José Antonio Páez Herrera ( 13 June 1790 – 6 May 1873 ) was General in Chief of the army fighting Spain during the Venezuelan Wars of Independence, in addition to becoming the President of Venezuela once it was independent of the Gran Colombia ( 1830 – 1835 ; 1839 – 1843 ; 1861 – 1863 ).

In 1839, he was chosen by Texas President Mirabeau Lamar to survey the site, sell lots, and erect public buildings for the new state capital in Austin.

David Gouverneur Burnet ( April 14, 1788 – December 5, 1870 ) was an early politician within the Republic of Texas, serving as interim President of Texas ( 1836 and again in 1841 ), second Vice President of the Republic of Texas ( 1839 – 41 ), and Secretary of State ( 1846 ) for the new state of Texas after it was annexed to the United States of America.

* Henry William de Saussure ( 1763 – 1839 ) American lawyer, State legislator from South Carolina, President of The U. S. Mint

* Roger Goldsworthy ( 1839 – 1900 ), President of Nevis ; Governor of Saint Lucia ; Governor of the British Honduras ; and Governor of the Falkland Islands

The introduction and translation of Western legal texts into Chinese is believed to have been started under the auspices of Lin Zexu in 1839.

The opening of the Grand Junction Canal ( later renamed Grand Union Canal ) as the major freight transport route between London and Birmingham in 1796 began a commercial boom, intensified by the arrival of Brunel's Great Western Railway in 1839, leading to th of brick factories, flour mills and chemical plants which formed the town's commercial base.

In 1839 the Grand Trunk Western Railroad opened a small train station.

Tahlequah was a settlement as early as 1832 and the Eastern and Western Cherokees joined their governments at Tahlequah in 1839.

It entered commercial use on the Great Western Railway over the from Paddington station to West Drayton on 9 April 1839.

This was mainly valid before the translation of the Western legal tradition to Chinese which started in 1839 after which influence by Western tradition was brought to China, with periods of restoration of traditional Chinese law, influence by Soviet law ; specific is the common ordinary language used in Chinese laws which has significant educational role.

Following the Morrison Incident involving the Morrison under Charles W. King in 1837, Egawa Hidetatsu was put in charge of establishing the defense of Tokyo Bay against Western intrusions in 1839.

After 1839 however conservatives tended to prevail, and students of Western sciences were accused of treason ( Bansha no goku ) and were put under house arrest ( Takashima Shūhan ), forced to commit ritual suicide ( Watanabe Kazan, Takano Chōei ), or even assassinated as in the case of Sakuma Shōzan.

In 1839 the Grand Western Canal reached Taunton aiding trade to the south, which was further enhanced by the arrival of the railway in 1842.

Norton Fitzwarren was the site of a boat lift on the now unused section of the Grand Western Canal from 1839 to 1867.

Until the arrival of the Great Western Railway in Aylesbury in 1839, California was the name of a farm and related buildings that stood in the area.

* Morethia lineoocellata ( Duméril & Bibron, 1839 ) – West Coast Morethia Skink, Western Pale-flecked Morethia

Richard Plantagenet Campbell Temple-Nugent-Brydges-Chandos-Grenville ( titled Marquess of Chandos following the death of his grandfather Richard Temple-Nugent-Brydges-Chandos-Grenville, 1st Duke of Buckingham and Chandos in 1839 ) was appointed chairman of the London and North Western Railway ( LNWR ) on 27 May 1857.

* M. p. leucopterus ' Western Mockingbird ' ( Vigors, 1839 ): generally found in the western portion of North America ranging from NW Nebraska and Western Texas to the Pacific Coast, and south to Mexico ( the Isthmus of Tehuantepec ), and Socorro Island.

The explorer George Grey, while on his second disastrous expedition along the Western Australian coast, passed over the future site of Geraldton on 7 April 1839.

The Tanzimat reforms of 1839 – 1876 brought changes to the language of Ottoman written literature, and introduced previously unknown Western genres, primarily the novel and the short story.

The Great Western Railway opened Southall railway station on 1 May 1839, nearly one year after it opened its first railway line on 4 June 1838, between London Paddington and Maidenhead Bridge ( the latter now known as Taplow ).

* malayensis described by Eyton in 1839 is the dark form of the wet zone of the Western Ghats and Sri Lanka

* Edward Robinson ( Australian politician ) ( 1839 – 1913 ), Member of the Western Australian Legislative Council

In 1839, Thrasher was hired to do work on the terminus of the Western and Atlantic Railroad.

* John Daly ( outlaw ) ( 1839 – 1864 ), American Western outlaw

* John Hutt, Governor of Western Australia from 1839 to 1846