1855 was a common year starting on Monday (see link for calendar).
Events
January
February
March
May
June
July
- July 2 - Kansas Territorial legislature convenes in Pawnee and begins passing proslavery laws.
September
November
December
Unknown dates
Births
- January 5 - King Camp Gillette, American inventor (d. 1932)
- January 20 - Ernest Chausson, French composer (d. 1899)
- January 21 - John Moses Browning, American firearms inventor (d. 1926)
- January 28 - William Seward Burroughs, American bank clerk and inventor (d. 1898)
- March 13 - Percival Lowell, American astronomer (d. 1916)
- March 24 - Andrew Mellon, American banker and philanthropist (d. 1937)
- April 21 - Hardy Richardson, 19th century baseball player (d. 1931)
- April 27 - Caroline Rémy, French feminist (d. 1929)
- May 1 - Marie Corelli, English novelist (d. 1924)
- May 9 - Julius Röntgen, German-Dutch classical composer (d. 1932)
- July 26 - Ferdinand Tönnies, German sociologist (d. 1936)
- October 21 - Howard Hyde Russell, American temperance movement leader and founder of Anti-Saloon League and Lincoln-Lee Legion (d. 1946)
- November 5 - Léon Teisserenc de Bort, French meteorologist (d. 1913)
- November 6 - Ezra Seymour Gosney, American philanthropist and eugenicist (d. 1942)
Deaths
- January 6 - Giacomo Beltrami, Italian explorer (b. 1779)
- January 26 - Gérard de Nerval, French writer (b. 1808)
- February 6 - Josef Munzinger, member of the Swiss Federal Council (b. 1791)
- February 23 - Carl Friedrich Gauss, German mathematician, astronomer, and physicist (b. 1777)
- March 29 - Henri Druey, member of the Swiss Federal Council (b. 1799)
- March 31 - Charlotte Brontë, English author (b. 1816)
- May 5 - Robert Inglis, English politician (b. 1786)
- May 23 - Charles Robert Malden English explorer (b. 1797)
- June 27 - Joseph Smith Jr., first leader, prophet, and seer, of The Church of Jesus Christ of Latter-Day Saints.
- June 28 - Fitzroy Somerset, 1st Lord Raglan, commander of British forces in the Crimean War (b. 1788)
- August 7 - Mariano Arista, President of Mexico (b. 1802)
- November 11 - Søren Kierkegaard, Danish philosopher (b. 1813)
- November 26 - Adam Mickiewicz, Lithuanian - Polish poet and writer (b. 1798)
1855
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