1870

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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 (A Live Jackass Kicking a Dead Lion by Thomas Nast for Harper's Weekly).
January 23 – Marias Massacre: U.S. soldiers attack a peaceful camp of Piegan Blackfeet Indians, led by chief Heavy Runner.
January 26 – Reconstruction Era (United States): 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 Template:SS 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 (Seitsemän veljestä), a novel by Finnish author Aleksis Kivi, is published first time in several thin booklets.<ref>Seitsemän veljestä 150 juhlavuosi – Nurmijärvi (in Finnish)</ref>
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 (state) 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,<ref name=arqueo>Template:Cite journal</ref> leading to the last of Chilean silver rushes<ref name=ChSI>Template:Cite book</ref> and a diplomatic dispute over its taxation between Chile and Bolivia.<ref name=mem2>{{#invoke:citation/CS1|citation

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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

April 11 – A 7.3 magnitude earthquake shakes the Chinese county of Batang causing a fire that leaves about 5,000 dead.<ref name=NGDC>Template:Citation</ref>
April 13 – The Metropolitan Museum of Art in New York City is established.
April 27 – Antonio Guzmán Blanco begins his first term as President of Venezuela.
April 29 – The Chicago Base Ball Club, later to be known as the Chicago White Stockings and ultimately the Chicago Cubs, play their first game against the St. Louis Unions of the National Association of Base Ball Players, an amateur league.

May

May 12
- The Canadian province of Manitoba is created, in response to Louis Riel's Red River Rebellion.
- The Port Adelaide Football Club is founded.
May 14 – The first rugby match is played in New Zealand, between the Nelson Football Club and Nelson College.
May 25 The Fenian Brotherhood attacks Eccles hill in Quebec.

June

June 8 – The final splice on the first telegraph submarine cable between Great Britain and India is made.
June 9 – English novelist Charles Dickens dies at Gads Hill Place in Kent, leaving his last book, The Mystery of Edwin Drood, unfinished.
June 21 – The Tianjin Massacre of 17 foreigners (mostly European Christian priests and nuns) and 40 Chinese people who had converted to Christianity, takes place in China when an angry mob attacks churches established in the city.<ref name=Putnam>"China", in The World's Progress: A Dictionary of Dates, ed. by George P. Putnam and F. B. Perkins (G. P. Putnam's Sons, 1878) p. 133.</ref>
June 22
- The office of the Solicitor General of the United States is set up, to supervise and conduct government litigation in the United States Supreme Court.
- The U.S. Congress creates the United States Department of Justice.<ref>{{#invoke:citation/CS1|citation

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June 23 –The first message by electric telegraph using the Great Britain to India submarine cable is sent from London.
June 26 – Richard Wagner's opera Die Walküre is first performed at Munich's National Theatre.
June 28 – American President Ulysses S. Grant signs an act making the United States Independence Day, Thanksgiving Day, Christmas Day and New Year's Day federal holidays in the United States.<ref>Template:Cite magazine</ref>

July

July 14 – The Ems Dispatch is published, serving as casus belli for a war between Prussia and France.
July 15
- Reconstruction Era: Georgia becomes the last former Confederate state of America to be readmitted to the Union.
- The British government admits the former Hudson's Bay Company territory of Rupert's Land and the North-Western Territory to the Dominion of Canada.
July 18 – Pastor aeternus: Pope Pius IX declares papal infallibility, in matters of faith and morals.
July 19 – Franco-Prussian War: France declares war on Prussia.
July 28 – Start of Solar Saros 153. The final eclipse in this series will be in 3114.
July 30 – The 'Diggers' Republic' is proclaimed at Klipdrift in South Africa by diamond miners, with Stafford Parker as president.

August

August 2 – The Tower Subway beneath the River Thames in London, the world's first underground passenger "tube" railway, officially opens.<ref name="Pocket On This Day">Template:Cite book</ref> Although this lasts as a railway operation only until November, it demonstrates the technologically successful first use of the cylindrical wrought iron tunnelling shield, devised by Peter W. Barlow and James Henry Greathead,<ref>Template:Cite book</ref> and of a permanent tunnel lining of cast iron segments.<ref>Template:Cite book</ref>
August 8 – The Republic of Ploiești, an uprising against Domnitor Carol of Romania, fails.
August 24 – The Red River Rebellion in Canada ends with the arrival of the Wolseley Expedition and the flight of Louis Riel.

September

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, France.
September 4 – Emperor Napoleon III of France is deposed and the Third Republic is declared. Empress Eugénie flees to England with her son.
September 6 – Louisa Swain of Laramie, Wyoming, becomes the first woman in the United States to cast a vote legally since 1807.
September 18 – Old Faithful Geyser is observed and named by Henry D. Washburn, during the Washburn–Langford–Doane Expedition to Yellowstone in Wyoming.
September 19 – Franco-Prussian War: The Siege of Paris (1870–1871) begins. From September 23, balloon mail is sent out of the city.
September 20 – Capture of Rome; With Bersaglieri soldiers entering Rome at Porta Pia, the unification of Italy is completed, ending the last remnant of the Papal States and Papal temporal power.

October

October 2 – A plebiscite held in Rome supports, by 133,681 votes to 1,507, the annexation of the city by Italy.
October 6 – Rome becomes the capital of unified Italy.
October 8 – Léon Gambetta escapes besieged Paris in a hot-air balloon.
October 20
- The First Vatican Council adjourns.
- A 6.6 earthquake shakes the Canadian province of Quebec, killing 6 people.<ref name="anss">Template:Cite anss</ref>
October 26 – The Chinese leaders of June's Tianjin Massacre of foreigners are executed by China's Imperial government.<ref name=Putnam/>
October 27 – Franco-Prussian War: Siege of Metz – Marshal François Achille Bazaine, commanding the French left wing, is forced by starvation to surrender the fortifications of Metz.

November

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 – The Spanish Cortes Generales proclaims Amadeo de Saboya as King Amadeo I of Spain.

December

December 12 – Joseph H. Rainey of South Carolina becomes the second black U.S. congressman (following Hiram Rhodes Revels in February).
December 28 – Juan Prim, Prime Minister of Spain, is shot by unknown assassins on leaving the Cortes. He dies two days later.
December 31
- Sir Henry Barkly is appointed Governor of the Cape of Good Hope and High Commissioner for Southern Africa.
- The Template:Convert Fréjus Rail Tunnel through the Alps is completed.