* Herbert Austin ( 1866 – 1941 ), British founder of the Austin Motor Company

* 1866 – The Grand Army of the Republic, an American patriotic organization composed of Union veterans of the American Civil War, is founded.

* 1866 – Felix-Raymond-Marie Rouleau, Canadian cardinal of the Roman Catholic Church ( d. 1931 )

* 1866 – Princess Viktoria of Prussia ( d. 1929 )

* 1866 – Allen Lard, American golfer ( death date unknown )

* 1866 – Giovanni Agnelli, Italian businessman, founded Fiat S. p. A ( d. 1945 )

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

* 1866 – Matthew Henson, American explorer ( d. 1955 )

* 1866 – José de Diego, Puerto Rican statesman and journalist ( d. 1918 )

* 1866 – Charles Jean de la Vallée-Poussin, Belgian mathematician ( d. 1962 )

* 1866 – Italo Santelli, Italian fencer ( d. 1945 )

* 1866 – Jacinto Benavente, Spanish writer, Nobel Prize laureate ( d. 1954 )

* 1866 – Henrik Sillem, Dutch sports shooter ( d. 1907 )

* Alexander John Cuza, prince of Romania ( 1859 – 1866 )

* 1866 – Austro-Prussian War ends with the Treaty of Prague.

* 1866 – Anne Sullivan, American teacher, instructor and companion of Helen Keller ( d. 1936 )

* 1866 – Ernest Starling, British physiologist ( d. 1927 )

* 1866 – Italy and Prussia ally against the Austrian Empire.

* 1866 – The American Society for the Prevention of Cruelty to Animals ( ASPCA ) is founded in New York City by Henry Bergh.

He married fourthly at the Dolmabahçe Palace, Constantinople, on 21 September 1866 to Georgian HH Hayranidil Kadın Efendi ( Kars, 2 November 1846 – Ortaköy Palace, Constantinople, 26 November 1898 ), and had two children.

The Earl of Derby, Prime Minister 1852, 1858 – 59, 1866 – 68

Charles Erdman ( 1866 – 1960 ) advocated apostolic authorship and wrote that only the Apostle John fits the image of the author derived from the text.

#** Marie Laetitia Eugénie Catherine Adélaïde Bonaparte ( 1866 – 1926 )

Le déjeuner sur l ' herbe, ( right section ), with Gustave Courbet, 1865 – 1866, Musée d ' Orsay, Paris, France | Paris

* 1927 – Edward William Exshaw, British sailor ( b. 1866 )

The Royal Opera House was an opera house and performing arts venue designed by English architect Edward Middleton Barry, erected in 1866.

The union proved more controversial in the Maritime provinces, however, and it was not until 1866 that New Brunswick and Nova Scotia passed union resolutions, while Prince Edward Island and Newfoundland continued to opt against joining.

* Henry Watkins Allen, ( 1820 – 1866 ), Confederate Army officer, was born in Prince Edward County.

The Green Dining Room 1866 – 68 was the work of Philip Webb and William Morris, displays Elizabethan influences, the lower part of the walls are panelled in wood with a band of paintings depicting fruit and the occasional figure, with moulded plaster foliage on the main part of the wall and a plaster frieze around the decorated ceiling and stained glass windows by Edward Burne-Jones.

* 1866 Francis Edward Gladstone

George Edward Stanhope Molyneux Herbert, 5th Earl of Carnarvon ( 26 June 1866 – 5 April 1923 ) was an English aristocrat best known as the financial backer of the search for and the excavation of Tutankhamun's tomb in the Valley of the Kings.

# Lewis Edward Rockefeller ( 1865 – 1866 )

In 1866 six months after the end of the American Civil War, leaders of the northern American Missionary Association ( AMA ): John Ogden, Reverend Erastus Milo Cravath, field secretary ; and Reverend Edward Parmelee Smith founded the Fisk Free Colored School, for education of freedmen.

The name Deinodontidae was coined by Edward Drinker Cope in 1866 for this family, and continued to be used in place of the newer name Tyrannosauridae through the 1960s.

* Edward Lucas White ( 1866 – 1934 ), American writer, fantasy

At the age of 21 he migrated to New Zealand, and on 6 September 1866 was appointed assistant engineer for Canterbury Province under Edward Dobson.

* The New Ladies ' Tickler, or Adventures of Lady Lovesport and the Audacious Harry ( 1866 ) by Edward Sellon-dealing with flagellation and lesbian incest

Mary Elizabeth Anne Dalberg-Acton ( 1866 – 1951 ), married Lt-Col. Edward Bleiddian Herbert and had issue.

* Charles Lamb ; A Memoir, by Barry Cornwall aka Bryan Procter, Edward Moxon, London, 1866.

* Edward Burne-Jones, St. George and the Dragon, 1866.

Her mother, Minerva Buckner " Minnie " Machen ( November 23, 1860 – January 13, 1958 ), named her after characters in two little-known stories: Jane Howard's " Zelda: A Tale of the Massachusetts Colony " ( 1866 ) and Robert Edward Francillon's " Zelda's Fortune " ( 1874 ).

With the support of the Premier Edward Stafford, Grey evaded instructions from the Colonial Office to finalise the return of the regiments, which had commenced in 1865 and 1866.

Edward Robinson suggested in 1838 that et-Tell could be the location of the Biblical city of Ai, as did Charles Wilson in 1866, on the evidence of Biblical references and nearby topography.

Also, Wheaton saw its first graduate of color in 1866, when Edward Breathitte Sellers took his degree.

The English taxonomist John Edward Gray first named the species Berardius hectori in 1871, based on a specimen ( a 2. 82 m ft male ) collected in Titahi Bay, New Zealand in January, 1866.

* Rear Admiral Sir Edward Fanshawe 1865 – 1866

An account of his friends, among whom Canning was a special intimate, is to be found in his Men I have Known ( 1866 ); the men featured in the book include William Buckland, Samuel Taylor Coleridge, Edward Forbes, F. R. S.

However, his illegitimate son Edward was created a baronet in his own right in 1866 and was the ancestor of the Barons St Levan.