1846
1846 was a Common year starting on Thursday (see link for calendar).
Events January 5 - The United States House of Representatives votes to stop sharing the Oregon Territory with the United Kingdom February 5 - The Oregon Spectator becomes the first Newspaper on the Pacific coast of the United States . February 10 - Many Mormons begin their migration west from Nauvoo, Illinois to Great Salt Lake led by Brigham Young February 19 - In Austin, Texas the newly-formed Texas state government is officially installed. March 10 - Prince Osahito, fourth son of deceased Emperor Ninko of Japan , becomes Emperor Komei of Japan . April 25 - Mexican-American War : Open conflict begins over border disputes of Texas ' boundaries. April 27 - The first arrival of a Train to Celje . May 8 - Mexican-American War: The Battle of Palo Alto - Zachary Taylor defeats a Mexican force north of the Rio Grande at Palo Alto, Texas in the first major battle of the war. May 13 - Mexican-American War: The United States declares war on Mexico . 16 May - Under the leadership of British Prime Minister Robert Peel , the British Parliament repeals the Corn Laws , replacing the old Colonial mercantile trade system with Free Trade. May 17 - The Saxophone is patented by Adolphe Sax June 10 - Mexican-American War : The California Republic declares independence from Mexico . June 10 - Grinnell College : The first American College or University to the West of the Mississippi River is founded. June 14 - Bear Flag Revolt begins - American settlers in Sonoma, California start a rebellion against Mexico and proclaim the California Republic . June 15 - The Oregon Treaty establishes the 49th parallel as the border between the United States and Canada , from the Rocky Mountains to the Strait of Juan de Fuca . June 21 - Pope Pius IX ascends to the Holy See . July 7 - Acting on instructions from Washington, DC , Commodore John Drake Sloat orders his troops to occupy Monterey and Yerba Buena thus beginning the United States annexation of California . August 14 - The Cape Girardeau meteorite, a 2.3 kg chondrite type Meteorite struck earth 7.5 miles (12 km) south of the town of Cape Girardeau in Cape Girardeau County, Missouri . September 23 - Neptune discovered by German astronomers Johann Gottfried Galle and Heinrich Louis d'Arrest , although the planet did not get its current name for many years. October 16 - Boston dentist William T.G. Morton uses Ether Anesthesia for the first time when he assist in removal of a tumor in the Massachusetts General Hospital December 28 : Iowa is admitted as the 29th U.S. state . Ongoing events Births January 5 - Rudolf Christoph Eucken , German writer, Nobel Prize laureate (d. 1926 ) February 2 - Francis Marion Smith , American borax magnate (d. 1931 ) February 9 - Wilhelm Maybach , German automobile designer (d. 1929 ) February 18 - Wilson Barrett , English actor (d. 1904 ) February 26 - Buffalo Bill , American hunter and entertainer (d. 1917 ) April 4 - Comte de Lautreamont , French writer (d. 1870 ) May 5 - Henryk Sienkiewicz , Polish author, Nobel Prize laureate (d. 1916 ) June 27 - Charles Stewart Parnell , Irish political leader (d. 1891 ) July 17 - Tokugawa Iemochi , Japanese shogun (d. 1866 ) November 25 - Carrie Nation , American temperance advocate (d. 1911 ) Deaths