* 1723 – Mathurin Jacques Brisson, French naturalist ( d. 1806 )

* 1806 – Francis II, the last Holy Roman Emperor, abdicates ending the Holy Roman Empire.

* 1806 – Battle of Mišar during the Serbian Revolution begins.

* 1806 – Santiago de Liniers, 1st Count of Buenos Aires re-takes the city of Buenos Aires, Argentina after the first British invasion.

* 1724 – George Stubbs, English painter ( d. 1806 )

* Anton Alexander Graf von Auersperg ( 1806 – 1876 ) – Austrian poet who wrote under the pseudonym of Anastasius Grün.

The Lewis and Clark Expedition spent the winter of 1805 – 1806 at Fort Clatsop, a small log structure south and west of modern day Astoria.

* 1806 – Michael Haydn, Austrian composer ( b. 1737 )

* 1727 – Michel Adanson, French botanist ( d. 1806 )

* William Bernard Ullathorne ( 1806 – 89 )

Following his conquest of most of Western Europe, the first Napoleon made his elder brother Joseph ( 1768 – 1844 ) king first of Naples ( 1806 – 1808 ) and then of Spain ( 1808 – 1813 ), his third brother Louis ( 1778 – 1846 ) king of Holland ( 1806 – 1810 ) ( subsequently forcing his abdication after his failure to subordinate Dutch interests to those of France ) and his youngest brother Jérôme Bonaparte ( 1784 – 1860 ) king of Westphalia, the short-lived realm created from some of the states of northwestern Germany ( 1807 – 1813 ).

The Arch of Titus has provided the general model for many of the triumphal arches erected since the 16th century — perhaps most famously it is the inspiration for the 1806 Arc de Triomphe in Paris, France, completed in 1836.

* The Arc de Triomphe ( 1806 ), Paris, France

By far the most famous arch from this period is the Arc de Triomphe in Paris, built from 1806 – 36, though it is consciously dissimilar from its Roman predecessors in omitting the customary ornamental columns – a lack that fundamentally changes the balance of the arch and gives it a distinctly " top-heavy " look.

* Arc de Triomphe du Carrousel, Paris, France ( 1806 )

White modeled the arch after the 1806 Arc de Triomphe in Paris.

Washington Square Arch, constructed of white Tuckahoe marble ( Westchester marble ), was modeled by White on the Arc de Triomphe ( 1806 ) in Paris ( itself modeled on the Arch of Titus ).

In 1806 Napoleon conferred the title of Duc d ' Elchingen on Marshal Ney and the name of Elchingen was engraved on the Arc de Triomphe in Paris.

* 1508: Baron de Ros, called out of abeyance after 4 years ; again in 1806 ( after 119 years ), in 1943 ( after 4 years ) and in 1958 ( after 2 years ).

* 1879 – Manuel de Araújo Porto-alegre, Brazilian Romantic poet, painter and caricaturist ( b. 1806 )

The defeat of the British invasions of the Río de la Plata in South America ( 1806 and 1807 ) emboldened an independent attitude in Spain's American colonies.

Portrait by Friedrich Engels. Johann Kaspar Schmidt ( October 25, 1806 – June 26, 1856 ), better known as Max Stirner ( the nom de plume he adopted from a schoolyard nickname he had acquired as a child because of his high brow, in German ' Stirn '), was a German philosopher, who ranks as one of the literary fathers of nihilism, existentialism, post-modernism and anarchism, especially of individualist anarchism.

* 1806 – British forces take Buenos Aires during the first British invasions of the Río de la Plata.

In 1806 the Governor General, Charles Mathieu Isidore Decaen, created the city of Mahébourg, named in honour of Mahé de La Bourdonnais.

After the Louisiana Purchase by the United States in 1803, this indefinite nature of the boundary between the U. S. and Spain led to an agreement on November 6, 1806, negotiated by Gen. James Wilkinson and Lt. Col. Simón de Herrera, to establish a neutral territory on both sides of the river.

* 1806 – Christophe Léon Louis Juchault de Lamoricière, French general ( d. 1865 )

In 1806 and 1807, the British ( enemies of Spain in the Napoleonic Wars ) launched the British invasions of the Río de la Plata.

Buenos Aires was invaded in 1806, and then liberated by forces from Montevideo led by Santiago de Liniers.

* January 31 – Adolphe Granier de Cassagnac, French politician ( b. 1806 )

de: 1806

* June 14 – Charles-Augustin de Coulomb, French physicist ( d. 1806 )

Towards the late 18th century, Mathurin Jacques Brisson ( 1723 – 1806 ) and Comte de Buffon ( 1707 – 1788 ) began new works on birds.

Napoleon I on his Imperial Throne, 1806, oil on canvas, 260 x 163 cm, Musée de l ' Armée, Paris

It appears that Shelley found inspiration for the title of her novel in Jean-Baptiste Cousin de Grainville's Le Dernier Homme ( 1805 ), translated into English in 1806 as Omegarus and Syderia.

Between 1806 and 1807, British military forces tried to invade the area of the Rio de la Plata, at the command of Home Riggs Popham and William Carr Beresford, and John Whitelocke.

* 1806 – François Isaac de Rivaz invented a hydrogen powered engine, the first successful internal combustion engine.

Louis Napoléon Bonaparte, Prince Français, Comte de Saint-Leu ( 2 September 1778 – 25 July 1846 ), King of Holland ( 1806 – 10 ), was the fifth surviving child and the fourth surviving son of Carlo Buonaparte and Letizia Ramolino.

Prince Eugène was adopted by Napoleon on 12 January 1806 ; while excluded from the French empire's succession, he was given presumptive rights for him and his descendants in the male line to the throne of Italy in the absence of a second son of Napoleon on 16 February 1806, and hence on 20 December 1807 given the title of Prince de Venise (' Prince of Venice '), which had been instituted by article 9 of the decree of 30 March 1806 ( when the former Austrian province of Venice was united to Bonaparte's kingdom of Italy ) for the Heir Presumptive to Napoleon in Italy.

* Sultanate of Zanzibar two incumbents ( from the Omani dynasty ) since the de facto separation from Oman in 1806, the last assumed the title Sultan in 1861 at the formal separation under British auspices ; since 1964 union with Tanganyika part of Tanzania )

Ultimately, the actual experience of successfully defending without Spanish aid the viceroyalty from a foreign invader during the 1806 – 1807 British invasions of the Río de la Plata, triggered a decisive quest for even greater autonomy from the colonial metropolis.

File: Jacques-Louis_David_006. jpg | The Coronation of Napoleon, ( 1806 ), Musée du Louvre, Paris

Arago and Biot left Paris in 1806 and began operations along the mountains of Spain.

Agnes Mongan has written of the portrait drawings: Before his departure in the fall of 1806 from Paris for Rome, the familiar characteristics of his drawing style were well established, the delicate yet firm contour, the definite yet discreet distortions of form, the almost uncanny capacity to seize a likeness in the precise yet lively delineation of features. The preferred materials were also already established: the sharply pointed graphite pencil on a smooth white paper.

In December 1806, A. Renodi in Paris designed arms quartering the Napoleonic eagle with the lion of the United Netherlands.

In May 1806 he was conferred the rank of Master Mason in the " Scottish Mother of St. Alexander of Scotland " in Paris.

When Napoleonic troops occupied the Duchy of Saxe-Coburg in 1806 Leopold went to Paris.

In 1801 the first great school of dermatology became a reality at the famous Hôpital Saint-Louis in Paris, while the first textbooks ( Willan's, 1798 – 1808 ) and atlases ( Alibert's, 1806 – 1814 ) appeared in print during the same period of time.

In 1806, Jean Marie Joseph Farina, a grand-grand-nephew of Giovanni Maria Farina ( 1685 – 1766 ), opened a perfumery business in Paris that was later sold to Roger & Gallet.

* the Großer Palais built in 1806 / 09 by Severin, contains a special treasure in the oval garden hall: a painted ceiling and wallpaper depicting the Amor and Psyche legend of the Apuleius ( based on designs by Lois Lafitte and Mary Blonder printed in 1820 in Paris ).

In his honor, a bronze memorial was erected in the Louisana State Museum with the inscription: " To honor Norbert Rillieux, born at New Orleans, Louisiana, March 18, 1806 and died at Paris, France, October 8, 1894.

After the 1806 Prussian defeat at the Battle of Jena-Auerstedt, Napoleon was the first to use the Brandenburg Gate for a triumphal procession and took its Quadriga to Paris.

* Notice historique sur M. Méchain, lue le 5 messidor XIII ( Baudouin, Paris, January 1806 ; this is the eulogy on the late Pierre Méchain, read at the Academy by Secretary Delambre on June 24, 1805 )

She returned in the summer of 1805, and spent nearly a year in writing Corinne ; in 1806 she broke the decree of exile and lived for a time undisturbed near Paris.

Since Pithou's edition in 1596 Phaedrus has been often edited and translated ; among the editions may be mentioned those of Burmann ( 1718 and 1727 ), Richard Bentley ( 1726 ), Schwabe ( 1806 ), Berger de Xivrey ( 1830 ), Johann Caspar von Orelli ( 1832 ), Franz Eyssenhardt ( 1867 ), L. Müller ( 1877 ), Rica ( 1885 ), and above all that of Louis Havet ( Paris, 1895 ).

* librettos for the operas Maria Seski ( 1799 ), Nephtali, ou les Ammonites by Blangini ( Ballard, Paris 1806 ), and the Arthurian Arthus de Bretagne,

When her spouse was made Prince of Pontecorvo in 1806, Désirée worriedly asked if she would be forced to leave Paris, but was happy when she was assured that she would not.

Located atop the Brandenburg Gate in Berlin, Germany, it was seized by Napoleon during his occupation of Berlin in 1806, and taken to Paris.

After the Concordat in 1801, they were given back to the archbishop of Paris who placed them in the Cathedral treasury on 10 August 1806.

On returning to Paris, he received a pension and the superintendence of the gardens at Malmaison, and published Monographie des Melastomes ( 1806 ), and Description des plantes rares cultivées à Malmaison et à Navarre ( 1813 ).

Jean-Henri Riesener () ( 4 July 1734 – 6 January 1806 ) was the French royal ébéniste, working in Paris, whose work exemplified the early neoclassical Louis XVI style ".

In 1806 he did return and in 1807 was again received into the Academy ; and in 1810, on the refusal of Cardinal Fesch, was made Archbishop of Paris.