* 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 )

* 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 ").

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.

Further proofs were given by Laplace ( 1810, 1812 ), Gauss ( 1823 ), James Ivory ( 1825, 1826 ), Hagen ( 1837 ), Friedrich Bessel ( 1838 ), W. F. Donkin ( 1844, 1856 ), and Morgan Crofton ( 1870 ).

* Friedrich Bernhard Christian Maassen ( 1823 – 1900 ), law professor

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.

* Luisenkirche on Gierkeplatz, built in 1823 by Karl Friedrich Schinkel

It was created in 1789 by Sir Benjamin Thompson ( 1753 – 1814 ), later Count Rumford ( Reichsgraf von Rumford ) and extended and improved by his successors, Reinhard von Werneck ( 1757 – 1842 ) and Friedrich Ludwig von Sckell ( 1750 – 1823 ), who had advised on the project from the beginning.

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

Brockhaus died in 1823, and his two eldest sons, Friedrich and Heinrich, edited the 6th edition with Hasse's assistance in September 1823.

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.

His cousin Friedrich Wilhelm Baedeker ( 1823 – 1906 ), who joined the Plymouth Brethren movement, was also well travelled.

* The Altes Museum in Berlin, designed by Karl Friedrich Schinkel, which was begun in 1823, is completed.

* Friedrich Franz II ( 1823 – 1883 )

A few months later, construction was halted by his successor, Friedrich Franz II ( 1823 – 1883 ), who wanted a complete reconstruction of the historic site.

* Bryologia germanica ( with Christian Friedrich Hornschuch und Jacob Sturm, 1823 – 31, 2 Bände mit 43 Tafeln )

Franz Heinrich von Waldersee was the son of Franz Anton von Waldersee ( 1763 – 1823 ), the illegitimate son of Leopold III Friedrich Franz, Duke of Anhalt-Dessau ( 1740 – 1817 ) with Johanne Eleonore Hoffmeier ( 1739 – 1816 ).

Friedrich Carl Wallau ( August 8, 1823 – July 7, 1877 in Mainz ).

The museum was built between 1823 and 1830 by the architect Karl Friedrich Schinkel in the neoclassical style to house the Prussian royal family's art collection.

* Friedrich Kraft Heinrich ( 1823 – 1842 )

In 1823 Dahl moved in with Friedrich, so that many of his students, such as Knud Baade, Peder Balke, and Thomas Fearnley, were equally influenced by both artists.

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

* Max Müller ( 1823 – 1900 )

* Max Müller ( 1823 – 1900 )

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