President James K. Polk confirmed a gold discovery.
The first WHSmith railway bookstore opened at London Euston Railway Station, London, UK.
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.
Niagara Falls waterfall stopped flowing due to an ice jam.
The first major revolt of the 1848-1849 German revolutions began in Vienna.
