1870
Events
January
- January 1
- * The first edition of The Northern Echo newspaper is published in Priestgate, Darlington, England.
- * Plans for the Brooklyn Bridge are completed.
- January 3 - Construction of the Brooklyn Bridge begins in New York City.
- January 6 - The Musikverein, Vienna, is inaugurated in Austria-Hungary.
- 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.
- January 23 - Marias Massacre: U.S. soldiers attack a peaceful camp of Piegan Blackfeet Indians, led by chief Heavy Runner.
- January 26 - Reconstruction Era : Virginia rejoins the Union. This year it adopts a new Constitution, drawn up by John Curtiss Underwood, expanding suffrage to all male citizens over 21, including freedmen.
- January 28 - British departs Halifax, Nova Scotia, on a transatlantic passage with 191 people aboard and is lost with all hands.
February
- February 1 - Goodna State School in Goodna, Queensland, Australia, is founded.
- February 2
- * It is revealed that the famed Cardiff Giant in the U.S. is just carved gypsum and not the petrified remains of a human.
- * The Seven Brothers, a novel by Finnish author Aleksis Kivi, is published first time in several thin booklets.
- February 3 - The Fifteenth Amendment to [the United States Constitution], guaranteeing African American men the right to vote, is passed.
- February 9 - The U.S. Army Weather Bureau is created within the Army Signal Corps.
- February 10 - Anaheim, California, is incorporated.
- February 12 - Women's suffrage: Women gain the right to vote in Utah Territory.
- February 14 - Schoolteacher Seraph Young Ford was the first woman to vote under a women’s equal suffrage law in the USA, casting her ballot in the Salt Lake City municipal election.
- February 23 - Military control of Mississippi ends and it is readmitted to the Union.
- February 25 - Hiram Rhodes Revels, a Republican from Mississippi, is sworn into the United States Senate, becoming the first African American to sit in the U.S. Congress.
- February 26
- * In New York City, the first pneumatic subway, Beach Pneumatic Transit, is opened.
- * The German Commerzbank is founded in Hamburg.
- February 27 - The Nisshoki 'circle of the sun' flag of Japan is adopted as the national flag for Japanese merchant ships, by proclamation of the Daijō-kan.
- February 28 - The Bulgarian Exarchate is established, by decree of Sultan Abdülaziz of the Ottoman Empire.
- February - Denis Vrain-Lucas is sentenced to 2 years in prison for multiple forgery, in Paris.
March
- March 1 - Battle of Cerro Corá, Paraguay: Marshal Francisco Solano López's last troops are cornered by those of the Triple Alliance. López refuses to surrender and is killed, ending the Paraguayan War.
- March 4 - Red River Rebellion: Thomas Scott is executed by Louis Riel's provisional government, in modern-day Manitoba, Canada.
- March 5 - The first ever international Association football match, England v Scotland, takes place under the auspices of the Football Association at The Oval, London.
- March 10 - Deutsche Bank is founded in Berlin.
- March 18 - Female Infanticide Prevention Act, 1870, passed in British India by Natalia Fish.
- March 19 - The Ohio Legislature passes the Cannon Act, thereby establishing the Ohio Agriculture and Mechanical College, later Ohio State University.
- March 24
- * Syracuse University is established in New York and officially opens.
- * A Chilean prospecting party led by José Díaz Gana discovers the silver ores of Caracoles in the Bolivian portion of Atacama Desert, leading to the last of Chilean silver rushes and a diplomatic dispute over its taxation between Chile and Bolivia.
- March 30
- * The Fifteenth Amendment to the United States Constitution, giving African American men the right to vote, is ratified.
- * Reconstruction: Texas is readmitted to the Union.
- March 31 - Thomas Mundy Peterson is the first African American to vote in an election.
- March - The Mitsubishi Company is established in Japan as a shipping firm, by Iwasaki Yatarō with Thomas Blake Glover.
April
May
June
July
August
September
October
November
December
Date unknown
Births
January–March
- January 2 - Ernst Barlach, German sculptor, graphic artist and poet
- January 6 - Gustav Bauer, Chancellor of Germany
- January 4 - Helena Willman-Grabowska, Polish indologist, Sorbonne and Jagiellonian University professor
- January 8
- *Walter Edwards, American film director
- *Miguel Primo de Rivera, dictator of Spain
- January 11 - Alexander Stirling Calder, American sculptor
- January 14 - George Pearce, Australian politician
- January 20 - Ajahn Mun Bhuridatta, Thai Buddhist monk
- January 23 - William G. Morgan, American inventor of volleyball
- February 1 - Erik Adolf von Willebrand, Finnish physician
- February 7 - Alfred Adler, Austrian psychologist
- February 12
- * Marie Lloyd, English singer
- * Hugo Stinnes, German industrialist, politician
- February 20 - Jay Johnson Morrow, American military engineer, politician, 3rd Governor of the Panama Canal Zone
- February 25 - Jelica Belović-Bernardzikowska, Croatian writer
- March 5 - Frank Norris, American writer
- March 10 - Ester Rachel Kamińska, Polish actress, "mother of Yiddish theatre"
- March 13 - Seale Harris, American physician
- March 17 - Horace Donisthorpe, English entomologist
- March 20 - Paul von Lettow-Vorbeck, German general
- March 22 - Arthur Storch (sculptor)
- March 29 - Pavlos Melas, Greek revolutionary and army officer
- March 31 - James M. Cox, Democratic candidate for President of the United States in the election of 1920
April–June
- April 1 - Hamaguchi Osachi, 27th Prime Minister of Japan
- April 4 - George Albert Smith, 8th president of The Church of Jesus Christ of Latter-day Saints
- April 17 - Ray Stannard Baker, American journalist, author
- April 19 - J. Howard Crocker, Canadian educator and sports executive
- April 21 - Edwin S. Porter, American film director
- April 22 - Vladimir Lenin, Russian revolutionary, first Premier of the Soviet Union
- April 24 - Friedrich Freiherr Kress von Kressenstein, German general
- April 30 - Franz Lehár, Austrian composer
- May 9 - Harry Vardon, English golf professional
- May 10 - Reginald Tyrwhitt, British admiral
- May 19 - Albert Fish, American serial killer
- May 24
- * Benjamin N. Cardozo, Associate Justice of the Supreme Court of the United States
- * Jan Smuts, South African soldier, statesman
- June 13 - Jules Bordet, Belgian immunologist, microbiologist, recipient of the Nobel Prize in Physiology or Medicine
- June 18 - Édouard Le Roy, French mathematician and philosopher
- June 20 - Georges Dufrénoy, French post-impressionist painter
July–September
- July 3 - R. B. Bennett, 11th Prime Minister of Canada
- July 12 - Louis II, Prince of Monaco
- July 25 - Maxfield Parrish, American illustrator
- July 26 - Charles Becker, American policeman and murderer
- July 27 - Hilaire Belloc, French/English man of letters
- July 29 - George Dixon, Canadian boxer
- August 2 - Marianne Weber, German sociologist and suffragist
- August 4 - Harry Lauder, Scottish entertainer
- August 10 - Hans Zenker, German admiral
- August 11 - Tom Richardson, English cricketer
- August 12 - Hubert Gough, British general
- August 20 - Edward Stanley Kellogg, 16th Governor of American Samoa
- August 31 - Maria Montessori, Italian educator
- September 24 - Georges Claude, French engineer, inventor
- September 26 - King Christian X of Denmark
- September 30
- * Jean Baptiste Perrin, French physicist, Nobel Prize laureate
- * Thomas W. Lamont, American banker
October–December
- October 2 - Horace Hood, British admiral
- October 4 - Karl Renner, 1st Chancellor of Austria
- October 10 - Ivan Bunin, Russian writer, Nobel Prize laureate
- October 18 - D. T. Suzuki, Japanese philosopher
- October 22 - Johan Ludwig Mowinckel, Norwegian businessman, Prime Minister of Norway
- October 25 - Elsa Reger, German writer
- October 30 - Lawrence Grant, English actor
- November 21 - Sigfrid Edström, Swedish sports official, President of the International Olympic Committee
- November 27 - Juho Kusti Paasikivi, Prime Minister and President of Finland
- November 28 - Gustavus M. Blech, German-American physician, surgeon
- November 29 - Trixie Friganza, American actress
- December 5 - Vítězslav Novák, Czech composer
- December 9 - Francisco S. Carvajal, 36th President of Mexico
- December 10 - Jadunath Sarkar, Indian historian
- December 14
- * Dirk Jan de Geer, Prime Minister of the Netherlands
- * Karl Renner, 4th President of Austria
- December 18 - Saki, English writer
- December 31 – Mbah Gotho, Indonesian man, alleged oldest human
Deaths
January–June
- January 20 - Sir George Seymour, British admiral of the fleet
- January 25 - Victor de Broglie, Prime Minister of France
- January 29 - Leopold II, Grand Duke of Tuscany
- February 7 - Sylvain Salnave, Haitian general, 9th President of Haiti
- February 11 - Carlos Soublette, 2-time President of Venezuela
- February 19 - Nathaniel de Rothschild, French wine grower
- March 1 - Francisco Solano López, 2nd President of Paraguay
- March 3 - Henry Light, third governor of British Guiana
- March 4 - Thomas Scott, Canadian Orangeman, surveyor of the Red River Rebellion
- March 11 - Moshoeshoe I of Lesotho
- March 28 - George Henry Thomas, American general
- April 11 - Justo José de Urquiza, General, First constitutional President of Argentina
- April 15 - Emma Willard, American women's rights activist
- April 16 - Domnița Rallou Caragea, Greek princess, independence activist
- May 6 - Sir James Young Simpson, Scottish physician, researcher
- June 6 - Ferdinand von Wrangel, Baltic-German explorer
- June 7 - Friedrich Hohe, German lithographer, painter
- June 9 - Charles Dickens, British novelist
- June 20 - Jules de Goncourt, French writer, publisher
- June 23 - Mírzá Mihdí, youngest child of Baháʼí founder Baháʼu'lláh
- June 27 - Cyrus Kingsbury, American missionary to Choctaw Indians
July–December
- July 10 - Pelaghia Roșu, Romanian heroine
- July 22 - Josef Strauss, Austrian composer
- August 4 - Abel Douay, French general
- August 14 - David Farragut, American admiral
- August 17 - Pedro Figueredo, Cuban poet, musician and freedom fighter
- September 4 - Juan Javier Espinosa, 9th President of Ecuador
- September 23 - Prosper Mérimée, French writer
- September 27 - William F. Packer, American politician
- October 12
- *Stephen Greenleaf Bulfinch, American minister, hymn writer
- *Robert E. Lee, Confederate general
- November 3 - Diego Noboa, 4th President of Ecuador
- November 23 - Giuseppina Bozzacchi, Milanese-born ballerina
- November 24 - Comte de Lautréamont, French poet, writer
- November 26 - Franz Graf von Wimpffen, Austrian general and admiral
- November 28 - Frédéric Bazille, French painter
- December 5
- * David G. Burnet, early politician within the Republic of Texas
- * Alexandre Dumas, père, French author
- December 9 - Patrick MacDowell, Northern Irish sculptor
- December 27 - Juan Prim, Spanish general and prime minister