Decades: 1820s 1830s 1840s 1850s 1860s - 1870s - 1880s 1890s 1900s 1910s 1920s
Years: 1865 1866 1867 1868 1869 - 1870 - 1871 1872 1873 1874 1875
January 6 - The inauguration of the Musikverein (Vienna).
January 10 - John D. Rockefeller incorporates Standard Oil
January 15 - A political cartoon for the first time symbolizes the United States Democratic Party with a donkey ("A Live Jackass Kicking a Dead Lion" by Thomas Nast for Harper's Weekly).
January 26 - American Civil War: Virginia rejoins the Union.
January 27 - First college sorority, Kappa Alpha Theta, is formed at DePauw University
February 2 - It is revealed that the famed Cardiff Giant was just carved gypsum and not the petrified remains of a human.
February 3 - The 15th Amendment to the United States Constitution is passed
February 10 - Anaheim, California is incorporated.
February 10 - The YWCA is founded (New York City)
February 12 - Women gain the right to vote in Utah Territory.
February 23 - Military control of Mississippi ends and it is readmitted to the Union.
February 25 - Hiram Rhoades Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American ever to sit in the United States Congress
February 26 - In New York City, the first pneumatic-subway is opened.
March 30 - Texas is readmitted to the Union following Reconstruction.
May 12 - The Canadian province of Manitoba is created in response to Louis Riel's Red River Rebellion
May 14 - First rugby match to be played in New Zealand, between the Nelson Football Club and Nelson College.
July 15 - Reconstruction: Georgia becomes the last former Confederate states to be readmitted to the Union.
July 19 - Franco-Prussian War: France declares war on Prussia.
September 2 - Franco-Prussian War: Battle of Sedan - Prussian forces defeat the French armies and take emperor Napoleon III and 100,000 of his soldiers prisoner at Sedan.
September 4 - Emperor Napoleon III of France is deposed and the Third Republic is declared.
September 20 - With Bersaglieri soldiers entering Rome at Porta Pia, the unification of Italy is completed. End of the temporal power of Papacy.
November 1 - In the United States, the newly-created Weather Bureau (later renamed the National Weather Service) makes its first official meteorological forecast: "High winds at Chicago and Milwaukee... and along the Lakes".
November 16 - Spanish Cortes proclaims Amadeo de Saboya as king Amadeus I of Spain.
Arts, Sciences, Literature and Philosophy
1870 in literature
1870 in science
January 8 - Miguel Primo de Rivera, dictator of Spain (d. 1930)
January 15 - Pierre S. DuPont, industrialist
February 7 - Alfred Adler, psychologist
March 5 - Frank Norris, writer (d. 1902)
March 17 - Horace Donisthorpe, myrmecologist (d. 1951)
April 22 - Vladimir Lenin, first leader of the USSR
April 30 - Franz Lehár, composer (d. 1948)
May 19 - Albert Fish, serial killer
July 12 - Louis II of Monaco
August 31 - Maria Montessori, educator
September 26 - King Christian X of Denmark
December 5 - Vitezslav Novák, composer (d. 1949)
February 11 - Jacob M. de Kempenaer, Dutch Minister of Internal Affairs (1848-1849?).
February 11 - Leopold Eugen Mechura, composer.
March 28 - George Henry Thomas, American general
June 9 - Charles Dickens, British novelist
July 20 - Jules Alfred Huot de Goncourt, Prix Goncourt
October 12 - Robert E. Lee, Confederate General.
December 27 - General Prim, Spanish dictator.
December 5 - Alexandre Dumas, pčre, author
November 4 - Comte de Lautreamont, French poet and writer.
Henry Rowe - Gothic architect\n