Editing 1834 (section)

=== January–June ===
[[File:Die Gartenlaube (1866) b 557.jpg|thumb|Heinrich von Treitschke]]
[[File:Gottlieb Daimler 1890s2.jpg|thumb|110px|right|[[Gottlieb Daimler]].]]
* [[January 7]] – [[Johann Philipp Reis]], German physicist, inventor (d. [[1874]])
* [[January 15]] – [[Samuel Arza Davenport]], American politician (d. [[1911]])
* [[January 17]] – [[August Weismann]], German evolutionary biologist (d. [[1914]])
* [[January 20]] – [[Piet Joubert]], Boer politician, military commander (d. [[1900]])
* [[January 25]] – [[Alina Frasa]], Finnish ballerina (d. [[1899]])
* [[February 6]] – [[Edwin Klebs]], German-Swiss pathologist who discovered [[Diphtheria]] (d. [[1913]])
* [[February 8]] – [[Dmitri Mendeleev]], Russian chemist  (d. [[1907]])
* [[February 9]] – [[Felix Dahn]], German author (d. [[1912]])
* [[February 16]] – [[Ernst Haeckel]], German zoologist, philosopher (d. [[1919]])
* [[February 19]] – [[Charles Davis Lucas]], British [[Victoria Cross]] recipient (d. [[1914]])
* [[February 27]] – [[Charles C. Carpenter (admiral)|Charles C. Carpenter]], American admiral (d. [[1899]])
* [[March 5]] – [[Félix de Blochausen]], 6th Prime Minister of Luxembourg (d. [[1915]])
* [[March 16]] – [[James Hector|Sir James Hector]], Scottish geologist (d. [[1907]])<ref>{{cite book |last1=Dell |first1=R.K. |title=Dictionary of New Zealand Biography |date=1990 |publisher=Te Ara - the Encyclopedia of New Zealand |url=https://teara.govt.nz/en/biographies/1h15/hector-james |access-date=13 October 2021 |chapter=Hector, James}}</ref>
* [[March 17]] – [[Gottlieb Daimler]], German engineer, inventor (d. [[1900]])
* [[March 20]] – [[Charles W. Eliot]], American President of Harvard University (d. [[1926]])
* [[March 23]] – [[Julius Reubke]], German composer (d. [[1858]])
* [[March 24]]
** [[John Wesley Powell]], American explorer (d. [[1902]])
** [[William Morris]], English poet, artist (d. [[1896]])
* [[April 2]] – [[Paškal Buconjić]], Herzegovinian Catholic bishop (d. [[1910]])
* [[April 26]] – [[Charles Farrar Browne|Artemus Ward]], American humorist (d. [[1867]])
* [[May 20]] – [[Albert Niemann (chemist)|Albert Niemann]], German chemist (d. [[1861]])
* [[May 23]] – [[Carl Heinrich Bloch]], Danish sculptor (d. [[1890]])
* [[June 19]] – [[Charles Spurgeon]], English Baptist preacher (d. [[1892]])