1847January 4 – Samuel Colt sells his first revolver pistol to the U.S. government. January 13 – The Treaty of Cahuenga ends fighting in the Mexican–American War in California. January 16 – John C. Frémont is appointed Governor of the new California Territory. January 17 – St. Anthony Hall fraternity is founded at Columbia University, New York City. January 30 – Yerba Buena, California, is renamed San Francisco.
1872January 12 – Yohannes IV is crowned Emperor of Ethiopia in Axum, the first ruler crowned in that city in over 500 years. February 2 – The government of the United Kingdom buys a number of forts on the Gold Coast, from the Netherlands. February 4 – A great solar flare, and associated geomagnetic storm, makes northern lights visible as far south as Cuba. February 13 – Rex, the most famous parade on Mardi Gras, parades for the first time in New Orleans for Grand Duke Alexei Alexandrovich of Russia.
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.
1716January 16 – The application of the Nueva Planta decrees to Catalonia make it subject to the laws of the Crown of Castile, and abolishes the Principality of Catalonia as a political entity, concluding the unification of Spain under Philip V. January 27 – The Tugaloo massacre changes the course of the Yamasee War, allying the Cherokee nation with the British province of South Carolina against the Creek Indian nation. January 28 – The town of Crieff, Scotland, is burned to the ground by Jacobites returning from the Battle of Sheriffmuir.
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.
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).