* 1823 – Joseph Medill, American editor, publisher, and politician ( d. 1899 )

* 1823 – Alexander Ostrovsky, Russian playwright ( d. 1886 )

* 1823 – Gotthold Eisenstein, German mathematician ( d. 1852 )

* 1740 – Pope Pius VII ( d. 1823 )

Alfred Russel Wallace, OM, FRS ( 8 January 1823 – 7 November 1913 ) was a British naturalist, explorer, geographer, anthropologist and biologist.

* 1759 – Jacques Widerkehr, Alsatian composer and cellist ( d. 1823 )

* 1772 – David Ricardo, English political economist ( d. 1823 )

* Mike Fink ( c. 1770 / 1780 – c. 1823 ) called " king of the keelboaters ", was a semi-legendary brawler and river boatman who exemplified the tough and hard-drinking men who ran keelboats up and down the Ohio and Mississippi Rivers.

* 1823 – Hugh Stowell Brown, English minister ( d. 1886 )

During 1823 – 1931 the grown settlement was known as Ust-Abakanskoye, 1914 – 1925: Abakan, 1925 – 1931: Khakassk.

* 1743 – Edmund Cartwright, English clergyman and inventor of the power loom ( d. 1823 )

* 1823 – Jacques Charles, French chemist ( b. 1746 )

* 1889 – Youssef Karam, Lebanese nationalist leader ( b. 1823 )

* Pope Pius VII ( 1742 – 1823, r. 1800 – 23 )

The construction commenced around the courtyard with the East Wing ( The King's Library ) in 1823 – 1828, followed by the North Wing in 1833 – 1838, which originally housed among other galleries a reading room, now the Wellcome Gallery.

#** Constance Marie Bonaparte ( 1823 – 1876 )

One Pipiolo leader from the south, Ramón Freire, rode in and out of the presidency several times ( 1823 – 1827, 1828, 1829, 1830 ) but could not sustain his authority.

* Terence MacManus ( c. 1823 – 1861 ), leader in Young Irelander Rebellion of 1848

In eight years of active service as an officer, he served two and a half years in a surveying ship in the Mediterranean ( 1818 – 21 ), one and a half years in a surveying sloop in the English Channel and off the coast of Ireland ( 1823 – 24 ), and one and a half years as Surveyor of the frigate during a voyage ( 1824 – 26 ) to and from the Hawaiian Islands ( then known as the " Sandwich islands ").

Goldwin Smith ( August 13, 1823 – June 7, 1910 ) was a British historian and journalist, active in the United Kingdom and Canada.

* June 7 – Goldwin Smith, historian and journalist ( b. 1823 )

In 1823 Smith said an angel directed him to a buried book written on golden plates containing the religious history of an ancient people.

The Angel Moroni () is, in Mormonism, an angel that visited Joseph Smith, Jr. on numerous occasions, beginning on September 21, 1823.

There have been two conflicting accounts as to whether the angel who appeared to Smith in 1823 and directed him to the golden plates was named Moroni or Nephi.

Joseph Smith, Jr. ( who would later become the founder of the Latter Day Saint movement ) said that on the night of September 21, 1823, Moroni appeared to Smith and told him about the Golden Plates that were buried ( in a stone box ) a few miles from Smith's home ; visited Smith various times over the course of the next six years ; and after Smith translated a portion of the writing on the plates ( either one-third or two-thirds ; accounts vary ) as the Book of Mormon, Smith turned the plates back over to Moroni.

* 1823 – Alvin Smith, Brother of Joseph Smith, Jr. ( b. 1798 )

* 1823 – Joseph Smith, Jr. states he found the Golden plates on this date after being directed by God through the Angel Moroni to the place where they were buried.

* September 22, 1823 – Joseph Smith, Jr. says that he was directed by God through the angel Moroni to the place where the Golden plates are stored.

* Not Paul But Jesus ( 1823, published under the pseudonym Gamaliel Smith )

In fall of 1823, Jedediah Smith and Thomas Fitzpatrick led their trapping crew south from the Yellowstone River to the Sweetwater River.

Smith visited the hill each year on the fall equinox ( September 22 ) between 1823 and 1827 and claimed to be instructed by the angel Moroni.

Smith reported having a vision in 1823 that eventually led him to the discovery of golden plates that documented a group of ancient Israelites journey to the Americas, 960 years of their descendants history and their dealings with the god of the Israelites.

* William Jay Smith ( Tennessee politician ) ( 1823 – 1913 ), member of the U. S. House of Representatives from Tennessee

* George Baldwin Smith ( 1823 – 1879 ), Attorney General of Wisconsin, Wisconsin assemblyman, mayor of Madison, Wisconsin

In 1823 Green formed a relationship with Jane Smith, the daughter of William Smith, hired by Green Senior as mill manager.

" Smith described another vision in 1823 as being visited in his bedroom by an " angel Moroni " who told him of a record of an ancient people written in an ancient language on golden plates.

* James Milton Smith ( 1823 – 1890 ), American soldier & politician

In 1823 Jedediah Smith and several trappers " rediscovered " the route.

* 1823 – Francis Parkman, American historian ( d. 1893 )

* October 12 – Ernest Renan, French philologist and historian ( b. 1823 )

Rudolf Gottschall Gottschall since 1877 ( 30 September 1823 in Breslau – 21 March 1909 in Leipzig ) was a German poet, dramatist, literary critic and literary historian.

In 1823 he became keeper of the Hamburg archives ; an office in which he had the fullest opportunities for the laborious and critical research work upon which his reputation as an historian.

* March 2-Johannes Falke, historian ( born 1823 )

Edward Augustus Freeman ( 2 August 1823 – 16 March 1892 ) was an English historian, architectural artist, liberal politician during the late-19th-century heyday of William Gladstone, and a one-time candidate for Parliament.

The historian Elizabeth Eldredge challenged Cobbing's thesis on the grounds that there is scant evidence of the resumption of the Portuguese slave trade out of Delagoa Bay before 1823, a finding that undermines Cobbing's thesis that Shaka's early military activities were a response to slave raids.

* John Wesley Hanson ( 1823 – 1901 ), American Universalist minister and historian

Francis Parkman ( September 16, 1823 – November 8, 1893 ) was an American historian, best known as author of The Oregon Trail: Sketches of Prairie and Rocky-Mountain Life and his monumental seven-volume France and England in North America.

Edward Augustus Freeman was born in Metchley Abbey in 1823 and was a noted historian appointed Regius Professor of Modern History at Oxford.

* Konrad von Maurer ( 1823 – 1902 ), German legal historian and collector of Old Norse folklore

* 1 May-John Kells Ingram, poet, scholar, economist and historian of economic thought ( born 1823 ).

James Edwin Thorold Rogers ( 23 March 1823, Hampshire – 14 October 1890, Oxford ), known as Thorold Rogers, was an English economist, historian and Liberal politician who sat in the House of Commons from 1880 to 1886.

He fought briefly in the Greek War of Independence, and then spent one year, 1822 – 1823, in Rome in the family of the historian Niebuhr, then Prussian ambassador, as tutor to his son.

The castle and deer park passed through a number of hands over the following centuries including the Eure family of Witton Castle, the Freville's and by the 18th century the Surtees family which included the notable historian Robert Surtees, who lived nearby at Mainsforth and wrote on the village and Castle in his History of Durham in 1823.

Auguste Louis Himly ( March 28, 1823 in Strasbourg, France-October 6, 1906 in Sèvres, France ) was a French historian and geographer.

According to the historian Moore, writing in 1823, " amid shouting and roaring of the population the players were not disposed to treat one another gently.

* Juan Antonio Llorente ( 1756 – 1823 ), Spanish cleric and historian of the Spanish Inquisition

Juan Antonio Llorente ( March 30, 1756 in Rincón de Soto ( La Rioja ), Spain – February 5, 1823 in Madrid ) was a Spanish historian and the unquestioned authority on Inquisitional history

Reinhold Pauli ( 1823 – 1882 ) was a German historian of England.

In 1823 he married a daughter of Alexander Fraser Tytler, Lord Woodhouselee, a sister of the historian Patrick Fraser Tytler.