Editing 1818 (section)

=== January–June ===
[[File:Karl Marx_001.jpg|thumb|110px|right|[[Karl Marx]]]]
[[File:Alexander II of Russia photo.jpg|thumb|110px|[[Alexander II of Russia]]]] 
[[File:Koningin Sophie Württemberg.jpg|thumb|110px|right|[[Sophie of Württemberg]]]]
* [[January 1]] – [[J. P. C. Emmons]], American attorney and politician (d. [[1877]])
* [[January 30]] – [[Artúr Görgey]], Hungarian military general, politician (d. [[1916]])
* [[February 4]] – [[Emperor Norton]], San Francisco eccentric and visionary (d. [[1880]])
* [[February 13]] – [[Angelica Singleton Van Buren]], Acting [[First Lady of the United States]] (d. [[1877]])
* [[February 14]] – [[Frederick Douglass]] (his day of birth was never established; he adopted this date), American abolitionist author, statesman (d. [[1895]])
* [[February 18]] – [[Perucho Figueredo|Pedro Figueredo]], Cuban poet, musician, and freedom writer (d. [[1870]])
* [[March 11]] – [[Henri Étienne Sainte-Claire Deville]], French chemist (d. [[1881]])
* [[March 22]] – [[John Ainsworth Horrocks]], English-born explorer of [[South Australia]] (d. [[1846]])
* [[March 24]] – [[William E. Le Roy]], American admiral (d. [[1888]])
* [[March 28]] – [[Wade Hampton III]], Confederate soldier and South Carolinian politician (d. [[1902]]) 
* [[April 4]] – [[Thomas Mayne Reid]], Irish-American novelist (d. [[1883]])
* [[April 6]] – [[Aasmund Olavsson Vinje]], Norwegian journalist and poet (d. [[1870]])
* [[April 8]] –
** King [[Christian IX of Denmark]] (d. [[1906]])
** [[August Wilhelm von Hofmann]], German chemist (d. [[1892]])
* [[April 17]] – Emperor [[Alexander II of Russia]] (d. [[1881]])
* [[April 19]] – [[Sir Arthur Elton, 7th Baronet]], English writer, Liberal Party politician (d. [[1883]])
* [[May 5]] – [[Karl Marx]], German political philosopher, co-author of [[The Communist Manifesto]] (d. [[1883]])
* [[May 27]] – [[Amelia Bloomer]], American dress reformer, women's rights activist (d. [[1894]])
* [[June 3]] – [[Louis Faidherbe]], French general and colonial administrator (d. [[1889]])
* [[June 17]]
** [[Sophie of Württemberg]], Dutch queen (d. [[1877]])
** [[Charles Gounod]], French composer (d. [[1893]])
* [[June 18]] – [[Angelo Secchi]], Italian astronomer (d. [[1878]])