1870January 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).
1867January 1 – The Covington–Cincinnati Suspension Bridge opens between Cincinnati, Ohio, and Covington, Kentucky, in the United States, becoming the longest single-span bridge in the world. It was renamed after its designer, John A. Roebling, in 1983. January 8 – African-American men are granted the right to vote in the District of Columbia. January 11 – Benito Juárez becomes Mexican president again. January 15 – London Skating Disaster where 40 people died when the ice broke.
1879January 1 – The Specie Resumption Act takes effect. The United States Note is valued the same as gold, for the first time since the American Civil War. January 11 – The Anglo-Zulu War begins. January 22 – Anglo-Zulu War – Battle of Isandlwana: A force of 1,200 British soldiers is wiped out by over 20,000 Zulu warriors. January 23 – Anglo-Zulu War – Battle of Rorke's Drift: Following the previous day's defeat, a smaller British force of 140 successfully repels an attack by 4,000 Zulus.
1864January 13 – American songwriter Stephen Foster ("Oh! Susanna", "Old Folks at Home") dies aged 37 in New York City, leaving a scrap of paper reading "Dear friends and gentle hearts". His parlor song "Beautiful Dreamer" is published in March. January 16 – Denmark rejects an Austrian-Prussian ultimatum to repeal the Danish Constitution, which says that Schleswig-Holstein is part of Denmark. January 21 – New Zealand Wars: The Tauranga campaign begins.
1874January 1 – New York City annexes The Bronx. January 2 – Ignacio María González becomes head of state of the Dominican Republic for the first time. January 3 – Third Carlist War: Battle of Caspe – Campaigning on the Ebro in Aragon for the Spanish Republican Government, Colonel Eulogio Despujol surprises a Carlist force under Manuel Marco de Bello at Caspe, northeast of Alcañiz. In a brilliant action the Carlists are routed, losing 200 prisoners and 80 horses, while Despujol is promoted to Brigadier and becomes Conde de Caspe.
1854January 4 – The McDonald Islands are discovered by Captain William McDonald aboard the Samarang. January 6 – The fictional detective Sherlock Holmes is perhaps born. January 9 – The Teutonia Männerchor in Pittsburgh, U.S.A. is founded to promote German culture. January 20 – The North Carolina General Assembly in the United States charters the Atlantic and North Carolina Railroad, to run from Goldsboro through New Bern, to the newly created seaport of Morehead City, near Beaufort.
1857January 1 – The biggest Estonian newspaper, Postimees, is established by Johann Voldemar Jannsen. January 7 – The partly French-owned London General Omnibus Company begins operating. January 9 – The 7.9 Fort Tejon earthquake shakes Central and Southern California, with a maximum Mercalli intensity of IX (Violent). January 24 – The University of Calcutta is established in Calcutta, as the first multidisciplinary modern university in South Asia. The University of Bombay is also established in Bombay, British India, this year.
1855January 1 – Ottawa, Ontario, is incorporated as a city. January 5 – Ramón Castilla begins his third term as President of Peru. January 23 The first bridge over the Mississippi River opens in modern-day Minneapolis, a predecessor of the Father Louis Hennepin Bridge. The 8.2–8.3 Wairarapa earthquake claims between five and nine lives near the Cook Strait area of New Zealand. January 26 – The Point No Point Treaty is signed in the Washington Territory. January 27 – The Panama Railway becomes the first railroad to connect the Atlantic and Pacific Oceans.
1849January 1 – France begins issue of the Ceres series, the nation's first postage stamps. January 5 – Hungarian Revolution of 1848: The Austrian army, led by Alfred I, Prince of Windisch-Grätz, enters in the Hungarian capitals, Buda and Pest. The Hungarian government and parliament flee to Debrecen. January 8 – Hungarian Revolution of 1848: Romanian armed groups massacre 600 unarmed Hungarian civilians, at Nagyenyed. January 13 Second Anglo-Sikh War – Battle of Tooele: British forces retreat from the Sikhs.
1799January 9 – British Prime Minister William Pitt the Younger introduces an income tax of two shillings to the pound, to raise funds for Great Britain's war effort in the French Revolutionary Wars. January 17 – Maltese patriot Dun Mikiel Xerri, along with a number of other patriots, is executed. January 21 – The Parthenopean Republic is established in Naples by French General Jean Étienne Championnet; King Ferdinand I of the Two Sicilies flees.