Hyppolite devoted his energies to uniting the existentialist theories then in vogue among French philosophers with the dialectical theories of Hegel and Karl Marx ( 1818 – 1883 ); these ideas influenced the young Foucault, who would adopt Hyppolite's conviction that philosophy must be developed through a study of history.

On December 14, 1818, the French privateer Hipólito Bouchard, sailing under the flag of the " United Provinces of Rio de la Plata " ( Argentina ), brought his ships La Argentina and Santa Rosa to within sight of the Mission ; aware that Bouchard ( today known as " California's only pirate ") had recently conducted raids on the settlements at Monterey and Santa Barbara, Comandante Ruíz had sent forth a party of thirty men ( under the leadership of a young Spanish lieutenant named Santiago Argüello ) to protect the Mission at first news of the approach on the 13th.

During that time he met in 1818, the young and brilliant Peruvian student of the Royal Mining School of Paris, Mariano Eduardo de Rivero y Ustariz.

In 1818 the young man attracted the notice of Sir Walter Scott, and he married Scott's eldest daughter Sophia in April 1820.

Despite his promising debut, the young Kuniyoshi failed to produce many works between 1818 and 1827, probably due to a lack of commissions from publishers, and the competition of other artists within the Utagawa School ( Utagawa-ryū ).

The initiative to found the Institution was taken in 1818 by three young engineers, Henry Robinson Palmer ( 23 ), James Jones ( 28 ) and Joshua Field ( 32 ), who organised an inaugural meeting on 2 January 1818, at the Kendal Coffee House in Fleet Street.

The young Gould started training as a gardener, being employed under his father at Windsor from 1818 to 1824, and he was subsequently a gardener at Ripley Castle in Yorkshire.

Resigning his commission in 1818, he was engaged as a teacher of Latin and Greek in the gymnasium at Augsburg, where his students included the young Napoleon III.

The most popular story is that Captain Mifflin Kenedy ( 1818 – 1895 ), after visiting the Arctic Baffin Bay as a young man, gave the same name to the bay in Texas because of the remarkable contrast between the bays.

Despite earning an artistic name (" Ichiyūsai Hiroshige ") and school license at the young age of 15, Hiroshige's first genuinely original publications came six years later in 1818.

Oberndorf is famous worldwide as the birthplace of the carol Silent Night, which was first performed at the former St. Nikola parish church by the school master Franz Gruber and the young priest Joseph Mohr on Christmas Eve 1818, from where it spread out to the world.

Mary Shelley's 1818 novel Frankenstein is subtitled " The Modern Prometheus ", in reference to the novel's themes of the over-reaching of modern man into dangerous areas of knowledge.

According to the first dictionary of modern Serbian language ( published by Vuk Stefanović-Karadžić in 1818 ) vukodlak / вукодлак ( werewolf ) and vampir / вампир ( vampire ) are synonyms, meaning a man who returns from his grave for purposes of fornicating with his widow.

The earliest inhabitants of Vilas County were members of the Chippewa band of Native Americans ; the first recorded white settler was a man named Ashman who established a trading post in Lac du Flambeau in 1818.

Payette, originally a fur trapper with the North West Company, was the first white man in the area in 1818.

In 1818, a man named Killam briefly attempted to start a logging company, but abandoned the island after the large steam-powered boat he used to transport wood to the mainland wrecked and sank.

He suicided, a defeated man a few days after his wife's death in 1818.

The Byronic hero first appears in Byron's semi-autobiographical epic narrative poem Childe Harold's Pilgrimage ( 1812 – 1818 ), and was described by the historian and critic Lord Macaulay as " a man proud, moody, cynical, with defiance on his brow, and misery in his heart, a scorner of his kind, implacable in revenge, yet capable of deep and strong affection ".

Francis Perceval Eliot ( September 1755 – 23 August 1818 ) was an English soldier, auditor and man of letters.

An anti-Obeah law passed in Barbados in 1818 specifically forbade the possession of " any poison, or any noxious or destructive substance ". A doctor who examined the medicine chest of an Obeah man arrested in Jamaica in 1866 identified white arsenic as one of the powders in it, but could not identify the others.

Asa Danforth ( July 6, 1746-September 2, 1818 ) was an early settler and leading citizen of Onondaga County, New York, where he was the second white man to settle upon his arrival in 1788.

After 1818, when his wife died, he had very slender means of his own, but he was popular with his friends and was well looked after by them ; Charles Cavendish Fulke Greville, writing of him in 1829, remarks that " old Creevey is a living proof that a man may be perfectly happy and exceedingly poor.

Frederick Douglass ( born Frederick Augustus Washington Bailey, c. February 1818 – February 20, 1895 ) was an American social reformer, orator, writer and statesman.

Between 1818 and 1822, Carlile claimed to have " sent into circulation near 20, 000 copies of the Age of Reason ".

* February 20 – Frederick Douglass, American ex-slave and author ( b. 1818 )

* October 20 – James Anthony Froude, English historian ( b. 1818 )

# The Quadruple Alliance of March 1813 ( renewed on November 20, 1815 ); between the United Kingdom, Austria, Prussia, and Russia, aimed at upholding the settlement following the Napoleonic Wars: with France's admission in 1818, it became the Quintuple Alliance, though British government distaste for the other allies ' reactionary policies meant that it lapsed into ineffectiveness after the mid-1820s.

Napoléon II ( 20 March 181122 July 1832 ), after 1818 known as Franz, Duke of Reichstadt, was the son of Napoleon I, Emperor of the French, and his second wife, Marie Louise of Austria.

Richelieu served until 29 December 1818, followed by Jean-Joseph, Marquis Dessolles until 19 November 1819, and then Decazes ( in reality the dominant minister from 1818 to 1820 ) until 20 February 1820.

Captain William Butler, native of Virginia, previous member of Georgia Legislature and captain of Georgia militia, came to Butler County in search of adventure, but was soon killed by native Americans near Butler Springs on the morning of 20 March 1818.

Dubois County was formed on December 20, 1818 from Orange, Pike and Perry counties.

Pierre Gustave Toutant Beauregard (; May 28, 1818 – February 20, 1893 ) was a Louisiana-born American military officer, politician, inventor, writer, civil servant, and the first prominent general of the Confederate States Army during the American Civil War.

The Reformation reached Hemer in the second half of the 16th century, when the church of St. Vitus became Protestant ( it was demolished in 1818, and replaced by the new Ebbergkirche nearby, built in 1819 / 20 ).

* Frederick Douglass 1818 – February 20, 1895, social reformer, orator, writer, statesman, leader in the underground railroad and statesmen " I would unite with anybody to do right and with nobody to do wrong.

By 1820 the schoolmaster's basic salary was still fixed at £ 15, although the master at this time, William Webb, received gratuities of £ 20 in both 1818 and 1819.

James Anthony Froude, 23 April 1818 – 20 October 1894, was an English historian, novelist, biographer, and editor of Fraser's Magazine.

In 1836-37, Otto visited Germany and married the beautiful and talented 17 year old, Duchess Amalia ( Amelie ) of Oldenburg ( 21 December 1818 – 20 May 1875 ).

Johann Nikolaus Forkel ( 22 February 1749 in Meeder, near Coburg, Saxe-Coburg-Saalfeld – 20 March 1818 in Göttingen, Hanover ), was a German musician, musicologist and music theorist.

* October 20, 1818: Treaty of 1818 between the U. S. and the United Kingdom established the northern boundary as the 49th parallel from the Lake of the Woods to the Rocky Mountains, also creating the Northwest Angle.

George W. Campbell ( DR ), until April 20, 1818

** William A. Palmer ( DR ), from October 20, 1818

Thomas B. Robertson ( DR ), until April 20, 1818

Jacob Spangler ( DR ), until April 20, 1818

| style =" font-size: 80 %" | Resigned April 20, 1818

| style =" font-size: 80 %" | Resigned April 20, 1818