A new federal constitution was created, which marked Switzerland as a federal state.
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 first major revolt of the 1848-1849 German revolutions began in Vienna.
Karl Marx and Friedrich Engels publish 'The Communist Manifesto'.
The California Gold Rush begins.
The romantic comedic opera 'Marta' premiered in Vienna by Jules-Henri Vernoy de Saint-Georges.
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.
The longest papal reign began when Pope Pius IX was elected.
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.
Felix Mendelssohn's Violin Concerto is premiered.
Florida became the 27th state to join the United States of America.
The founder of the Mormons, Joseph Smith Jr., was murdered by a mob at the Carthage, Illinois jail.
Founder George Williams established the YMCA alongside ten young Christian men.
England and France formally recognized Hawaii's independence.
The world's second oldest theme park, Tivoli Gardens, opened in Copenhagen, Denmark.
Brunel's SS Great Britain ship was launched after taking four years to build.
During a thunderstorm in Charleston, South Carolina, the National Weather Service reported an alligator falling from the sky.
Anti Slavery activist Isabella Baumfree became a Methodist and changed her name to Sojourner Truth.
George Bruce received the first US design patents for typefaces and bordering.
A fire broke out in Hamburg, Germany. It burned for over 100 hours, killed 51 people, and destroyed 1,700 homes.
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.
The Sultan of Brunei rewarded British adventurer James Brooke by granting him control of Sarawak.
Napoleon Bonaparte finally had a funeral.
Willem II became King of the Netherlands.
The world's first adhesive postage stamp, the Penny Black, was used in a public postal system in the United Kingdom.
The world's first adhesive postage stamp is issued in the United Kingdom.
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.
New Zealand becomes a British colony.
Charles Wilkes discovered Antarctica during an American Naval Expedition.
A deadly cyclone struck east India killing over 300,000 people and destroying 20,000 ships.
