* E. S. Dallas ( 1866 ), The Gay Science, 2 volumes, on the aesthetics of poetry.

In 1866 primitive structures were discovered on the island of Therasia by quarrymen extracting pozzolana, a siliceous volcanic ash, for the Suez Canal works.

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.

They lived comfortably at 2 Bolton Gardens, South Kensington, where Helen Beatrix was born on 28 July 1866 and her brother Walter Bertram on 14 March 1872.

A cheese of 7, 000 lb ( 3, 175 kg ) was produced in Ingersoll, Ontario, in 1866 and exhibited in New York and Britain ; it was immortalised in the poem " Ode on the Mammoth Cheese Weighing over 7, 000 Pounds " by James McIntyre, a Canadian poet.

The nickname " The Big Green ," originating in the 1860s, is based on students ' adoption of a shade of forest green (" Dartmouth Green ") as the school's official color in 1866.

Famously, the Société Linguistique de Paris in 1866 refused to admit any further papers on the subject.

Between 1859 and 1866, Haeckel worked on many invertebrate groups, including radiolarians, poriferans ( sponges ) and annelids ( segmented worms ).

Perhaps the first elaborate and systematic exposition was by John Venn, in The Logic of Chance: An Essay on the Foundations and Province of the Theory of Probability ( published editions in 1866, 1876, 1888 ).

Frédéric Bazille, Self-portrait, 1865 – 1866, oil on canvas, Art Institute of Chicago

In grateful recognition of that fact, on the fiftieth anniversary ( May 16, 1866 ) of the date of Windischmann's preface to that work, a fund called Die Bopp-Stiftung, for the promotion of the study of Sanskrit and comparative grammar, was established at Berlin, to which liberal contributions were made by his numerous pupils and admirers in all parts of the globe.

He was already working independently on the construction of two railway stations, at Toulouse and Agen, and in 1866 he was given a contract to oversee the construction of 33 locomotives for the Egyptian government, a profitable but undemanding job in the course of which he visited Egypt, where he visited the Suez Canal which was being constructed by Ferdinand de Lesseps.

The German Confederation ended as a result of the Austro-Prussian War of 1866 between the constituent Confederation entities of the Austrian Empire and its allies on one side and the Kingdom of Prussia and its allies on the other.

Herbert George Wells was born at Atlas House, 46 High Street, Bromley, in the county of Kent, on 21 September 1866.

Fenian soldiers wearing IRA insignia fought at the Battle of Ridgeway on 2 June 1866.

Landis was born in Millville, Ohio in 1866, his name a spelling variation on the Battle of Kennesaw Mountain in the American Civil War, where his father was wounded in 1864.

Kenesaw Mountain Landis was born in Millville, Ohio, the sixth child and fourth son of Abraham Hoch Landis, a physician, and Mary Kumler Landis, on November 20, 1866.

In succeeding years, he gave series of lectures on “ Ichthyology ” ( 1847 – 48 season ), “ Comparative Embryology ” ( 1848 – 49 ), “ Functions of Life in Lower Animals ” ( 1850 – 51 ), “ Natural History ” ( 1853 – 54 ), “ Methods of Study in Natural History ” ( 1861 – 62 ), “ Glaciers and the Ice Period ” ( 1864 – 65 ), “ Brazil ” ( 1866 – 67 ) and “ Deep Sea Dredging ” ( 1869 – 70 ).

It was in 1866 – 67 that information on Comet Tempel-Tuttle was gathered pointing it out as the source of the meteor shower.

* The last Monday of May is Memorial Day in the United States, first celebrated on May 5, 1866, in Waterloo, New York.

He described these principles in a two-part paper, Experiments on Plant Hybridization, that he read to the Natural History Society of Brno on February 8 and March 8, 1865, and which was published in 1866.

( A wood engraving made by Robert Bruce on 27 July 1866.

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

In April 1866 he nominated Henry Stanbery to fill the vacancy left with the death of John Catron, but the Republican Congress eliminated the seat to prevent the appointment.

Following Campbell ’ s death in 1866, journals continued to keep the discussion and conversation alive.

The first death due to cholera occurred in 1866, but by then Elizabeth had already opened St. Mary ’ s Dispensary for Women and Children, at 69 Seymour Place.

Kenesaw Mountain Landis (; November 20, 1866 – November 25, 1944 ) was an American jurist who served as a federal judge from 1905 to 1922 and as the first Commissioner of Baseball from 1920 until his death.

The couple had five sons and one daughter: Abraham ( 1807 – 1873 ) a graduate of West Point and career military officer ; John ( 1810 – 1866 ), graduate of Yale and Attorney General of New York ; Martin, Jr. ( 1812 – 1855 ), secretary to his father and editor of his father's papers until a premature death from tuberculosis ; Winfield Scott ( born and died in 1814 ); and Smith Thompson ( 1817 – 1876 ), an editor and special assistant to his father while president.

The death of Sa ' id bin Sultan in 1856 prompted a further division: the descendants of the late sultan ruled Muscat and Oman ( Thuwaini ibn Said Al-Busaid, r. 1856 – 1866 ) and Zanzibar ( Mayid ibn Said Al-Busaid, r. 1856 – 1870 ); the Qais branch intermittently allied itself with the ulama to restore imamate legitimacy.

Thus, by the time Thoreau's lectures were first published under the title " Civil Disobedience ," in 1866, four years after his death, the term had achieved fairly widespread usage.

Boris the play, modelled on Shakespeare's histories, was written in 1825 and published in 1831, but was not approved for performance by the state censors until 1866, almost 30 years after the author's death.

His father Carl ( Karl ) Alexander Frege ( 3 August 1809 – 30 November 1866 ) was the co-founder and headmaster of a girls ' high school until his death.

From 1848 to 1861 he was vicar of Horningsea, near Cambridge, and from 1866 to his death he was vicar of Cockfield in Suffolk.

From 1866 until his death he taught at Yale: first, until 1871, as acting professor of didactic theology in the theological department ; and from 1871 as lecturer on church polity and American church history.

Alger once estimated that he earned only $ 100, 000 between 1866 and 1896 ; at his death he had little money, leaving only small sums to family and friends.

After his death in 1866, it was taken over by his son-in-law Henry Maudsley who ran it until 1874.

After Gell's death in 1863, under the provisions of her will a water pump was sunk for the benefit for the community in 1866.

Following the death of his father-in-law in May 1866, Custer returned to Monroe, Michigan, where he considered running for Congress.

Broadlands was sold to John T. Alexander in 1866, and it was broken up upon his death in 1876 to pay his creditors

Durham operated a sawmill and a flour mill on Fanno Creek, which flows through the city, from 1866 until his death in 1898.

Before the passage of the Thirteenth Amendment to the United States Constitution, which abolished slavery after the American Civil War in 1866, manumission was sometimes accomplished at the death of the owner, under conditions in his will.

After the death of Tokugawa Iemochi in 1866, Yoshinobu was chosen to succeed him, and became the 15th shogun.

He served as Rebbe for 35 years until his death in 1866.

A group calling itself the Manchester Liberals, to which Richard Cobden and Richard Wright belonged, were staunch defenders of free trade, and their work was carried on, after the death of Richard Cobden in 1866, by The Cobden Club.

After Rabbi Yitzchak Meir's death in 1866, his Hasidim wanted his eighteen-year old grandson, Rabbi Yehudah Aryeh Leib Alter, to succeed him.

After her father's death, her mother moved to Cleveland, Ohio, leaving her to be reared by foster parents, Emma ( 1866 – 1951 ) and Richard D. Fulks ( 1862 – 1928 ), the chief of detectives in Saint Joseph.

* Samuel Haughton-polymath, in 1866 published a formula for calculating the drop needed to cause instantaneous death at hangings.