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.
Twenty-five thousand suffragists marched in New York City.
Margaret Sanger opened the first birth control clinic in Brooklyn, New York, but it was closed by police after only ten days.
The American Woman Suffrage Association, organized in 1869 by Julia Ward Howe, Lucy Stone, and others, focused on achieving suffrage for women.
The National American Woman Suffrage Association was created by the 1890 merger of the American Woman Suffrage Association and the National Woman Suffrage Association.