Cate Lineberry

Carson's 1962 bestseller first warned the public about the devastating effects of chemical pesticides—and started a revolution.

Mitchell, the wife of Richard Nixon's attorney general, alleged she was held hostage and drugged after she attempted to talk to the press.

While specific traditions vary, nearly every country observes a day to honor mothers.

The founder of the Red Cross dedicated her life to helping others and fighting for equality.

Neutrality was often more complex than simply avoiding choosing sides.