Explore 510 historical events from 1840–1849.
Nicolas Charles Oudinot, duc de Reggio was a French general of the French Revolutionary Wars and the Napoleonic Wars. He is known to have been wounded 34 times in battle, being hit…
Nicolas Oudinot, French general (born 1767)
Dom Afonso was the Prince Imperial and heir apparent to the throne of the Empire of Brazil. Born in Rio de Janeiro, he was the eldest child of Emperor Dom Pedro II and Dona Teresa …
Prince Afonso died at the age of two, leaving his father Pedro II, the last emperor of Brazil, without a male heir
On July 12, 1847, a riot occurred in Woodstock, New Brunswick, between Catholics and Protestant members of the Orange Order. The violence resulted in the deaths of up to ten indivi…
Up to ten people died in a riot between Catholics and members of the Orange Order in Woodstock, New Brunswick.
Brigham Young was an American religious leader and politician. He was the second president of the Church of Jesus Christ of Latter-day Saints from 1847 until his death in 1877. He …
Brigham Young led the first group of Mormon pioneers into the Salt Lake Valley of Utah, at the time a part of Mexico.
Monterey is a city on the southern edge of Monterey Bay, on the Central Coast of California. Located in Monterey County, the city occupies a land area of 8.645 sq mi (22.39 km2) an…
US troops occupy Monterey and Yerba Buena, thus beginning the US conquest of California.
The Second Federal Republic of Mexico refers to the period of Mexican history involving a second attempt to establish a federal government in Mexico after the fall of the unitary C…
The Second Federal Republic of Mexico is established.
Elias Howe Jr. was an American inventor best known for his creation of the modern lockstitch sewing machine.
Elias Howe is granted a patent for the sewing machine.
James C. Corrigan was a Canadian-American businessman active in the shipping, petroleum refining, iron ore mining and selling, and steel manufacturing industries. He made and lost …
James C
The Thornton Affair was a battle in 1846 between the military forces of the United States and Mexico 20 miles (32 km) west upriver from Zachary Taylor's camp along the Rio Grande. …
Thornton Affair: Open conflict begins over the disputed border of Texas, triggering the Mexican–American War
Mormons are a religious and cultural group related to Mormonism, the principal branch of the Latter Day Saint movement started by Joseph Smith in upstate New York during the Second…
The few remaining Mormons left in Nauvoo, Illinois, formally dedicate the Nauvoo Temple
The Cambridge Chronicle was a weekly newspaper that served Cambridge, Massachusetts. The newspaper was founded by Andrew Reid in May 1846. It ceased publication of its print editio…
The Cambridge Chronicle, America's oldest surviving weekly newspaper, is published for the first time in Cambridge, Mass
The Mexican–American War, also known in the United States as the Mexican War and in Mexico as the United States intervention in Mexico, was an invasion of Mexico by the United Stat…
Mexican–American War: American forces led by Zachary Taylor defeat a Mexican force north of the Rio Grande in the first
The Donner Party, sometimes called the Donner–Reed Party, was a group of American pioneers who migrated to California in a wagon train from the Midwest. Delayed by a multitude of m…
The Donner Party of pioneers departs Independence, Missouri for California, on what will become a year-long journey of h
Henryk Adam Aleksander Pius Sienkiewicz, also known by the pseudonym Litwos, was a Polish epic writer. He is remembered for his historical novels, such as the Trilogy series and es…
Henryk Sienkiewicz, Polish journalist and author, Nobel Prize laureate (died 1916)
Oscar Hammerstein I was a German-born businessman, theater impresario, and composer in New York City. His passion for opera led him to open several opera houses, and he rekindled o…
Oscar Hammerstein I, American businessman and composer (died 1919)
Rita Cetina Gutiérrez was a 19th-century Mexican educator, writer, and feminist who promoted women's education in Mérida, Yucatán. She helped found a literary society, a periodical…
Rita Cetina Gutiérrez, Mexican poet, educator, and activist (died 1908)
Naim bey Frashëri, more commonly Naim Frashëri, was an Albanian historian, journalist, poet, translator, and one of the most prominent figures of the Albanian National Awakening. R…
Naim Frashëri, Albanian-Turkish poet and translator (died 1900)
The Mexican–American War, also known in the United States as the Mexican War and in Mexico as the United States intervention in Mexico, was an invasion of Mexico by the United Stat…
Mexican–American War: The United States declares war on the Federal Republic of Mexico following a dispute over the Amer
The Associated Press (AP) is an American not-for-profit news agency headquartered in New York City. Founded in 1846, it operates as a cooperative, unincorporated association, and p…
The Associated Press is formed in New York City as a non-profit news cooperative
The Mexican–American War, also known in the United States as the Mexican War and in Mexico as the United States intervention in Mexico, was an invasion of Mexico by the United Stat…
Mexican–American War: President Mariano Paredes of Mexico unofficially declares war on the United States
The California Republic, commonly known as the Bear Flag Republic, was a short-lived unrecognized breakaway state from Mexico, that existed from June 14 to July 9, 1846. It militar…
Bear Flag Revolt begins: Anglo settlers in Sonoma, California, start a rebellion against Mexico and proclaim the Califor
The Oregon Treaty was a treaty between the United Kingdom and the United States that was signed on June 15, 1846, in Washington, D.C. The treaty brought an end to the Oregon bounda…
The Oregon Treaty extends the border between the United States and British North America, established by the Treaty of 1
Peter Carl Gustavovich Fabergé was a Russian goldsmith and jeweller. He is best known for creating Fabergé eggs made in the style of genuine Easter eggs, but using precious metals …
Peter Carl Fabergé, Russian goldsmith and jeweler (died 1920)
William Louis Marshall was an influential figure in the US Corps of Engineers.
William Louis Marshall, American general and engineer (died 1920)