The 1858 senate campaign featured the seven Lincoln – Douglas debates of 1858, the most famous political debates in American history.

* 1858 – Giuseppe Peano, Italian mathematician ( d. 1932 )

* 1858 – Emma of Waldeck and Pyrmont, ( d. 1934 )

After 1890 came philosopher Josiah Royce ( 1855 – 1916 ), botanist Liberty Hyde Bailey ( 1858 – 1954 ), the Southern Agrarians of the 1920s and 1930s, novelist John Steinbeck ( 1902 – 1968 ), historian A. Whitney Griswold ( 1906 – 1963 ), environmentalist Aldo Leopold ( 1887 – 1948 ), Ralph Borsodi ( 1886 – 1977 ), and present-day authors Wendell Berry ( b. 1934 ), Gene Logsdon ( b. 1932 ), Paul Thompson, and Allan C. Carlson ( b. 1949 ).

* 1858 – Gaston Doumergue, French politician ( d. 1937 )

* 1858 – Hans Rott, Austrian composer ( d. 1884 )

Bloch was highly interdisciplinary, influenced by the geography of Paul Vidal de la Blache ( 1845 – 1918 ) and the sociology of Émile Durkheim ( 1858 – 1917 ).

* 1858 – The Wernerian Natural History Society, a former Scottish learned society, is wound up.

* Adrian Kashchenko ( 1858 – 1921 ), Ukrainian writer, historian of Zaporozhian Cossacks

* 1858 – E. Nesbit, English author ( d. 1924 )

* 1858 – U. S. President James Buchanan inaugurates the new transatlantic telegraph cable by exchanging greetings with Queen Victoria of the United Kingdom.

* 1858 – Arthur Achleitner, German writer ( d. 1927 )

* 1858 – Rudolf, Crown Prince of Austria ( d. 1889 )

* Alexander Karađorđević, Prince of Serbia ( 1842 – 1858 )

* 1858 – The Round Oak rail accident occurs in Brierley Hill in the Black Country, England.

* 1858 – Cyrus West Field and others complete the first transatlantic telegraph cable after several unsuccessful attempts.

* 1858 – The Eiger in the Bernese Alps is ascended for the first time by Charles Barrington accompanied by Christian Almer and Peter Bohren.

* 1858 – Christiaan Eijkman, Dutch physician, Nobel Prize laureate ( d. 1930 )

After a series of debates in 1858 that gave national visibility to his opposition to the expansion of slavery, Lincoln lost a Senate race to his arch-rival, Stephen A. Douglas.

After the state Republican party convention nominated him for the U. S. Senate in 1858, Lincoln delivered his House Divided Speech, drawing on: " A house divided against itself cannot stand.

After the Indian Mutiny of 1857, in 1858 the powers of the Company were transferred to the British Crown and the Governor-General of India.

After two commissions of enquiry in 1826 and 1876 and reforming acts of parliament in 1858 and 1889, the curriculum and system of graduation were reformed to meet the needs of the emerging middle classes and the professions.

After the abortive Utah War of 1857 – 1858, the replacement of Young by an outside Federal Territorial Governor, the eventual resolution of controversies regarding plural marriage, and accession by Utah to statehood, the apparent temporal aspects of LDS theodemocracy receded markedly.

After Garfield finished his education, between the 1857 and 1858 elections, he began his career in politics as a " vigorous " stump speaker in support of the Republican Party and their anti-slavery cause.

After the completion of The Source, Ingres produced paintings of historical genre, such as two versions of Louis XIV and Molière, ( 1857 and 1860 ), as well as several religious works in which the figure of the Virgin from The Vow of Louis XIII is reprised: The Virgin of the Adoption of 1858 ( painted for Mademoiselle Roland-Gosselin ) was followed by The Virgin Crowned ( painted for Madame la Baronne de Larinthie ) and The Virgin with Child.

After his studies in the Nantes Lycée, Georges received his baccalaureate of letters in 1858.

After a year in London, as counterpoint to his 1858 French set, in 1860, he produced another set of etchings called Thames Set, as well as some early impressionistic work, including The Thames in Ice.

After the Republicans gained the majority in the House of Representatives in the mid-term elections of 1858, Colfax became chairman of the Committee on Post Offices and Post Roads.

After the location of the county seat at Humboldt, by the legislature of 1858, there was a great deal of dissatisfaction among the residents of the central and northern parts of the county, and a number of citizens selected the present site of Iola, with the intention of ultimately securing the county seat.

After becoming part of the newly formed Atlantic County in 1837, portions of the township were taken to create Mullica Township ( March 13, 1838 ), Egg Harbor City ( June 14, 1858 ), Absecon town ( February 29, 1872 ), Brigantine Beach borough ( now Brigantine city ; June 14, 1890 ) and Port Republic ( March 1, 1905 ).

After the move south in 1858 ( see Utah War ) there was an attempt to rename the community Freedom, but Brigham Young convinced the residents to retain the old name.

After the Xianfeng emperor and his entourage fled Beijing, the June 1858 Treaty of Tianjin was finally ratified by the emperor's brother, Yixin, the Prince Gong, in the Convention of Peking on 18 October 1860, bringing The Second Opium War to an end.

After the creation of the Granadine Confederation by 1858 the territory of now Boyaca became the Sovereign State of Boyacá.

After 1858, Kido was based at the domain's Edo residence, where he served as liaison between the domain bureaucracy and radical elements among the young, lower-echelon Chōshū samurai who supported the Sonnō jōi movement.

After leaving his first wife, Elizabeth, he married for the second time, on 20 September 1858, to Adeline de Horsey, achieving still greater notoriety as he had been conducting an affair with her as his wife was dying.

After some years as schoolmaster, a job for which his temperament was ill-fitted, he entered journalism in 1858.

After being professor of philosophy at several provincial universities, he received the degree of doctor, and came to Paris in 1858 as master of conferences at the École Normale.

After her death on 26 October 1858 he married as his second wife in 1861, Lady Victoria Fitzalan-Howard, daughter of the 14th Duke of Norfolk.

After an attack by a company of Mexican soldiers killed his mother, wife and three children in 1858, Geronimo joined revenge attacks on the Mexicans.

After his graduation from Harvard University in 1858, he embarked on a Grand Tour of Europe, during which he also attended lectures in civil law at the University of Berlin.

After again holding the tutorship of Oriel, he accepted in 1858 the small living of Whatley in Somerset near Frome and was married in the following year.