* Henry Austin ( architect ) ( 1804 – 1891 ), American architect

* 1857 – Eugène Sue, French novelist ( b. 1804 )

* 1866 – Gábor Klauzál, Hungarian politician ( b. 1804 )

Aga Khan I (; or, less commonly but more correctly (; ), was the title accorded to Hasan Ali Shah (; ; 1804 in Kohak, Iran – 1881 in Bombay, India ), the governor of Kirman, 46th Imam of the Nizari Ismaili Muslims, and prominent Muslim leader in Iran and later in the Indian Subcontinent.

Theseus Fighting the Centaur ( 1804 – 1819 ), Kunsthistorisches Museum, Vienna.

* 1804 – Francis II assumes the title of first Emperor of Austria.

* 1804 – High Possil Meteorite: The first recorded meteorite in Scotland falls in Possil.

At his memorial service on 22 June 1825 his own Requiem in C minor — composed in 1804 – was performed for the first time.

* 1804 – The western Georgian kingdom of Imereti accepts the suzerainty of the Russian Empire

* 1804 – Toussaint Louverture, Haitian Revolutionary ( b. 1743 )

* 1885 – Karl Theodor Ernst von Siebold, German physiologist ( b. 1804 )

" Migration, Radicalism, and State Security: Legislative Initiatives in the Canada and the United States c. 1794 – 1804 " in Studies in American Political Development, Volume 16, Issue 1, April 2002, 48 – 60

The term acquired a special significance in the philosophy of Immanuel Kant ( 1724 – 1804 ), who used it to describe the equally rational but contradictory results of applying to the universe of pure thought the categories or criteria of reason that are proper to the universe of sensible perception or experience ( phenomena ).

Benjamin Disraeli, 1st Earl of Beaconsfield, KG, PC, FRS, ( 21 December 1804 – 19 April 1881 ) was a British Prime Minister, parliamentarian, Conservative statesman and literary figure.

He was crowned Emperor of the French and ruled from 1804 – 1814, 1815.

* Napoleon I ( 1804 – 1814, 1815 ), also King of Italy ( 1805 – 1814 ) and Emperor in Elba ( 1814 – 1815 )

#** Laetitia Christine Bonaparte ( 1804 – 1871 )

#* Napoleon Louis Bonaparte ( 1804 – 1831 )

* Napoleon Bonaparte ( First Consul ), Jean-Jacques Cambacérès ( Second Consul ), Charles-François Lebrun ( Third Consul ), Consuls ( 12 December 1799 – 18 May 1804 )

The current resistance to Russian rule has its roots in the late 18th century ( 1785 – 1791 ), a period when Russia expanded into territories formerly under the dominion of Turkey and Persia ( see also the Russo-Turkish Wars and Russo-Persian War ( 1804 – 1813 )), under Mansur Ushurma — a Chechen Naqshbandi ( Sufi ) Sheikh — with wavering support from other North Caucasian tribes.

In 1842 Charlotte and Emily travelled to Brussels to enrol in a boarding school run by Constantin Heger ( 1809 – 96 ) and his wife Claire Zoé Parent Heger ( 1804 – 87 ).

Nevertheless, all the distinctive Christadelphian doctrines, down to interpretations of specific verses, can be found particularly among 16th century Socinian writers ( e. g. the rejection of the doctrines of the trinity, pre-existence of Christ, immortal souls, a literal hell of fire, original sin ) Christian Thomasius ( 1704 ), Arthur Ashley Sykes ( 1737 ), Nathaniel Lardner ( 1742 ), Dr. Richard Mead ( 1755 ), Hugh Farmer ( at least in the account of Christ's temptation ; 1761 ), William Ashdowne ( 1791 ), John Simpson ( 1804 ) and John Epps ( 1842 )

* 1804 – John Charles Prince, Canadian Roman Catholic Bishop ( d. 1860 )

John Dalton first expressed this observation in 1804.

* 1804 – John Gould, English ornithologist ( d. 1881 )

* May 17 – John Deere, American inventor ( b. 1804 )

The fur trader John Kinzie arrived in Chicago in 1804, and rapidly became the civilian leader of the small settlement that grew around the fort.

* 1804 – Sir John Leslie observes that a matte black surface radiates heat more effectively than a polished surface, suggesting the importance of black body radiation

1857 drawing of John Kinzie house c. 1804, near the mouth of the Chicago River.

* John Selby Watson ( 1804 – 1884 ), British classical translator and murderer

* John Anderson ( physician ) ( died 1804 ), English physician

* John Cook Bennett ( 1804 – 1867 ), physician and a ranking and influential ( but short-lived and controversial ) leader of the Latter-Day-Saint movement, who acted as second in command to Joseph Smith, Jr. for a brief period in the early 1840s

* John Gano ( 1727 – 1804 ), Baptist minister who is said to have baptized George Washington.

* John Gano ( 1727 – 1804 ), chaplain who baptized George Washington.

John returned to his work on their lands in early April 1804, while Samuel continued working for the turnpike company.

Soon after the survey was completed, John Jones selected a lot for his residence, and on September 4, 1804, with his own hands he felled the first tree that marked the site of his future home.

In 1804, John Marshall built Xenia's first home.

The founder, John Kinsley, returned to Ohio in 1804 with his family and 33 other pioneers, he also hired surveyor John Wells to plat out New Philadelphia in the same grid style as Philadelphia, Pennsylvania.

* Hidden Springs, 1804, Rockingham County — home of the John Hite II

* John Williams ( Caswell County, NC ) ( 1740 – 1804 ), North Carolina state senator

Born in Wylam in 1786, Timothy Hackworth was the eldest son of John Hackworth who occupied the position of foreman blacksmith at Wylam Colliery until his death in 1804 ; the father had already acquired a considerable reputation as a mechanical worker and boiler maker.

* John Franklin Gray ( 1804 – 1882 ), the first practitioner of Homeopathy in the United States.

John Deere ( February 7, 1804 – May 17, 1886 ) was an American blacksmith and manufacturer who founded Deere & Company, one of the largest and leading agricultural and construction equipment manufacturers in the world.