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.
1856January 8 – Borax deposits are discovered in large quantities by John Veatch in California. January 23 – American paddle steamer SS Pacific leaves Liverpool (England) for a transatlantic voyage on which she will be lost with all 186 on board. January 24 – U.S. President Franklin Pierce declares the new Free-State Topeka government in "Bleeding Kansas" to be in rebellion. January 26 – First Battle of Seattle: Marines from the suppress an indigenous uprising, in response to Governor Stevens' declaration of a "war of extermination" on Native communities.
1871January 3 – Franco-Prussian War – Battle of Bapaume: Prussians win a strategic victory. January 18 – Proclamation of the German Empire: The member states of the North German Confederation and the south German states, aside from Austria, unite into a single nation state, known as the German Empire. The King of Prussia is declared the first German Emperor as Wilhelm I of Germany, in the Hall of Mirrors at the Palace of Versailles. Constitution of the German Confederation comes into effect.
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.
1833January 3 – Reassertion of British sovereignty over the Falkland Islands in the South Atlantic. February 6 – His Royal Highness Prince Otto Friedrich Ludwig of Bavaria assumes the title His Majesty Othon the First, by the Grace of God, King of Greece, Prince of Bavaria. February 16 – The United States Supreme Court hands down its landmark decision of Barron v. Mayor and City Council of Baltimore. March 4 – Andrew Jackson is sworn in for his second term as President of the United States.
1840January 3 – One of the predecessor papers of the Herald Sun of Melbourne, Australia, The Port Phillip Herald, is founded. January 10 – Uniform Penny Post is introduced in the United Kingdom. January 13 – The steamship Lexington burns and sinks in icy waters, four miles off the coast of Long Island; 139 die, only four survive. January 19 – Captain Charles Wilkes' United States Exploring Expedition sights what becomes known as Wilkes Land in the southeast quadrant of Antarctica, claiming it for the United States, and providing evidence that Antarctica is a complete continent.
1844In the Philippines, it was the only leap year with 365 days, as December 31 was skipped when 1845 began after December 30. The change also applied to Caroline Islands, Guam, Marianas Islands, Marshall Islands, and Palau as part of the Captaincy General of the Philippines. And became the first places on Earth to redraw the International Date Line. January 15 – The University of Notre Dame, based in the city of the same name, receives its charter from Indiana. February 27 – The Dominican Republic gains independence from Haiti.
1743January 1 – The Verendrye brothers, probably Louis-Joseph and François de La Vérendrye, become the first white people to see the Rocky Mountains from the eastern side (the Spanish conquistadors had seen the Rockies from the west side). January 8 – King Augustus III of Poland, acting in his capacity as Elector of Saxony, signs an agreement with Austria, pledging help in war in return for part of Silesia to be conveyed to Saxony. January 12 The Verendryes, and two members of the Mandan Indian tribe, reach the foot of the mountains, near the site of what is now Helena, Montana.
1841January 20 – Charles Elliot of the United Kingdom, and Qishan of the Qing dynasty, agree to the Convention of Chuenpi. January 26 – Britain occupies Hong Kong. Later in the year, the first census of the island records a population of about 7,500. January 27 – The active volcano Mount Erebus in Antarctica is discovered, and named by James Clark Ross. January 28 – Ross discovers the "Victoria Barrier", later known as the Ross Ice Shelf. On the same voyage, he discovers the Ross Sea, Victoria Land and Mount Terror.