Jeannette Rankin began her first term as the first woman elected to the US House of Representatives.
Pilot Amelia Earhart and navigator Fred Noonan disappeared over the Pacific Ocean during their attempted circumnavigation of the globe.
President Franklin Delano Roosevelt announced the appointment of Frances Perkins as the secretary of labor, the first woman appointed to a president’s Cabinet.
In Adkins v. Children’s Hospital, the Supreme Court invalidated a minimum-wage law for women and children.
Scientist Nettie Maria Stevens reported her discovery that sex is determined by a particular chromosome.
In Muller v. Oregon, the Supreme Court upheld a law limiting the workday to ten hours for women.
20,000 shirtwaist makers—80 to 85 percent of whom were women—began a successful labor strike in New York City.
A devastating fire erupted at the Triangle Shirtwaist Factory in New York City, killing 146 people including many female employees. Outcry over the factory’s conditions led to factory safety reform.