Abraham Lincoln received a patent for a device that would lift a boat over shoals and obstructions.
Zachary Taylor is inaugurated as the twelfth President of the United States.
A photograph was taken of the 11th US President, James Knox Polk.
President James K. Polk confirmed a gold discovery.
Congress created the Oregon Territory, which included Oregon, Washington, Idaho, and Western Montana.
The Free Soil Party was formed by 465 delegates in Buffalo.
The Seneca Falls Convention became the first-ever US women's rights convention.
Wisconsin became the 30th state to join the United States of America.
The California Gold Rush begins.
Brigham Young and 148 Mormon pioneers entered Salt Lake Valley and founded Salt Lake City.
The first US postage stamps were issued.
Telegraph wires linked new York and Boston.
The American Medical Association was formed.
The Death Penalty was abolished in the state of Michigan, except for treason.
Samuel Colt sells his first revolver.
Iowa became the 29th state to join the United States of America.
Baltimore and Philadelphia were linked up by telegraph.
US President James K. Polk asked Congress to declare war on Mexico.
The Thornton Affair, a skirmish between American and Mexican soldiers in Texas, started a chain of events that led to the Mexican-American War.
The first Mormon Pioneers left their homes in Nauvoo, Illinois, and began the long trek to the Salt Lake Valley.
Texas became the 28th state to join the United States of America.
Anesthesia used for the first time for childbirth.
The citizens of Texas accepted the new constitution and approved the annexation ordinance.
Florida became the 27th state to join the United States of America.
Charles Goodyear patents vulcanization.
During a thunderstorm in Charleston, South Carolina, the National Weather Service reported an alligator falling from the sky.
George Bruce received the first US design patents for typefaces and bordering.
Ether was used as an anesthetic for the first time, by American surgeon Crawford Long, in Athens, Georgia.
The first sewing machine was patented in the US.
Charles Dickens and his wife arrived in Boston, US, from Liverpool, UK.
British Novelist Charles Dickens and his wife Catherine left England for America on board the Britannia ship.
The first wagon train arrived in California after having left Independence, Missouri, in May 1841.
John Tyler assumes the presidency.
William Henry Harrison inaugurated as the ninth President of the United States.
The first photo of the moon was taken by John Draper in New York City.
American explorer Charles Wilkes discovered the Shackleton Ice Shelf in Antarctica.
Charles Wilkes discovered Antarctica during an American Naval Expedition.
King Kamehameha III of Hawaii signed the Declaration of Rights, which was a significant movement away from the country's 'ancient ways.'
State of Missouri Passes the Extermination Order.
Frederick Douglass escaped slavery in the US.
The United States Exploring Expedition set sail.
Samuel Morse sent the first telegraph message using Morse code across two miles of wire in New Jersey, USA.
Tiffany & Co was founded by Charles Tiffany and John Young in Brooklyn, Connecticut.
Martin Van Buren inaugurated as the 8th President of the United States.
Michigan became the 26th state to join the United States of America.
The US Patents Office was nearly completely burned down.
Sam Houston was inaugurated as the first President of the Republic of Texas.
Sam Houston is Elected President of Texas.
Arkansas became the 25th state to join the United States of America.
The Republic of Texas declared independence from Mexico during the Texas Revolution.
