The Wright brothers made their first flight, at Kitty Hawk, North Carolina.
Scientist Nettie Maria Stevens reported her discovery that sex is determined by a particular chromosome.
Upton Sinclair’s The Jungle, the most famous work of muckraking fiction, exposed terrible health and labor conditions in meat-packing plants.
Belva Lockwood represented the Eastern Cherokee before the US Supreme Court in their case against the federal government for payments related to land treaties. She won them a $5 million settlement.
Former mechanic Henry Ford founded the Ford Motor Company with a group of investors in Detroit, Michigan. The first Ford car was assembled a month later.
Congress passed the Hepburn Act, which gave the Interstate Commerce Commission the power to determine maximum railroad rates and regulate other transportation.
Congress passed the Pure Food and Drug Act, prohibiting the sale of “adulterated or misbranded” food and drugs.
The Pittsburgh Survey—the first comprehensive survey of life and labor in an American city—was published.
The Ford Motor Company introduced the first mass-produced automobile, the Ford Model T.
In Muller v. Oregon, the Supreme Court upheld a law limiting the workday to ten hours for women.