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

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

* 1823 – Goldwin Smith, English-Canadian historian and journalist ( d. 1910 )

* 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 ").

Ferdinand Gotthold Max Eisenstein ( 16 April 1823 – 11 October 1852 ) was a German mathematician.

After his 1823 marriage to Esther Fega Eisenstein ( died August 1871, Vilnius ), Rabbi Lipkin settled in Salant, where he continued his studies under Rabbi Hirsch Broda and Rabbi Yosef Zundel of Salant, himself a disciple of Rabbi Chaim Volozhin.

* 1823 – Friedrich Max Müller, German orientalist ( d. 1900 )

The term feudalism is recent, first appearing in French in 1823, Italian in 1827, English in 1839, and in German in the second half of the nineteenth century.

The term was originally coined by Friedrich Wilhelm Joseph von Schelling ( 1775 – 1854 ) to depict early stages of monotheism, however Max Müller ( 1823 – 1900 ), a German philologist and orientalist, brought the term into common usage.

* 1883 – William Siemens, German engineer ( b. 1823 )

The paradox is commonly attributed to the German amateur astronomer Heinrich Wilhelm Olbers, who described it in 1823, but Harrison shows convincingly that Olbers was far from the first to pose the problem, nor was his thinking about it particularly valuable.

* October 28 – Max Müller, German philologist and Orientalist ( b. 1823 )

* 1823 – Olbers ' paradox is described by the German astronomer Heinrich Wilhelm Olbers.

* November 18 – Zacharias Werner, German religious poet ( d. 1823 )

The town was formed from the Town of German in 1823.

Ludwig Bamberger ( July 22, 1823 – March 14, 1899 ) was a German economist, politician and writer.

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 search of materials for this purpose, Pertz made a prolonged tour through Germany and Italy, and on his return in 1823 Stein entrusted him with the principal charge of the publication of the series Monumenta Germaniae Historica, texts of all the more important historical writers on German affairs down to the year 1500, as well as of laws, imperial and regal archives, and other valuable documents, such as letters, falling within this period.

* November 18-Zacharias Werner, German religious poet ( died 1823 )

In 1823 he was recommended to General Foy, who hired him as a private tutor to teach his children German, the wage finally allowing Dirichlet to become independent from his parents ' financial support.

The German brewer David Gottlob Jüngling immigrated to the United States in 1823 from Aldingen, a suburb of Stuttgart, in the Kingdom of Württemberg.

In 1823 a German competition was held to perfect the production process: the goal was to develop an alloy that possessed the closest visual similarity to silver.

Leopold Kronecker ( December 7, 1823 – December 29, 1891 ) was a German mathematician who worked on number theory and algebra.

Friedrich Maximillian Müller ( December 6, 1823 – October 28, 1900 ) — known as Max Müller — was a German philologist and Orientalist, one of the founders of the western academic field of Indian studies and the discipline of comparative religion.

One of the first lighters was invented by the German chemist named Johann Wolfgang Döbereiner in 1823 and was often called Döbereiner's lamp.

He spoke French and English, and learned German and Spanish during his six years in Europe from 1823 to 1829.

Friedrich Ludwig Zacharias Werner ( November 18, 1768 – January 17, 1823 ) was a German poet, dramatist, and preacher.

Friedrich Arnold Brockhaus ( 4 May 1772 – 20 August 1823 ) was a German encyclopedia publisher and editor, famed for publishing the Conversations-Lexikon, which is now published as the Brockhaus encyclopedia.

Daniel Harrwitz ( 29 April 1823 – 9 January 1884 ) was a Jewish German chess master.

His major German opera after Der Freischütz, Euryanthe ( 1823 ), suffers from a particularly weak text and is rarely staged nowadays.