Explore 436 historical events from 1840–1849.
Emmanuel de Grouchy, marquis de Grouchy was a French military leader who served during the French Revolutionary Wars and the Napoleonic Wars. He was the last Marshal of the Empire …
Emmanuel de Grouchy, Marquis de Grouchy, French general (born 1766)
Thomas Chalmers, was a Scottish Presbyterian minister, professor of theology, political economist, and a leader of both the Church of Scotland and of the Free Church of Scotland. H…
Thomas Chalmers, Scottish minister and economist (born 1780)
Rear-Admiral Sir John Franklin was a British Royal Navy officer, explorer and colonial administrator. After serving in the Napoleonic Wars and the War of 1812, he led two expeditio…
John Franklin, English admiral and politician (born 1786)
Juan Larrea was a Spanish businessman and politician in Buenos Aires during the early nineteenth century. He headed a military unit during the second British invasion of the River …
Juan Larrea, Argentinian captain and politician (born 1782)
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.
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
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)
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
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)
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)
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
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