The first woman to fly solo across the Atlantic, Earhart disappeared in 1937 during an attempt to circumnavigate the world by airplane.
Mathematician and paranoid schizophrenic John Nash's work became a foundation of modern economic theory.
In 1936 Angie Debo uncovered the U.S. government's theft of Native Americans' oil rich lands in Indian Territories of Oklahoma.
A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.
It was the largest fire in American history: by the time it was all over, more than three million acres had burned and at least 78 firefighters were dead.
President Richard Nixon and Henry Kissinger initiated a secret diplomatic breakthrough with Mao Tse-tung that shocked and changed the world.
The Alabama governor and presidential candidate promised segregation forever.
Meet the Wizard of Odd. Robert Ripley was a new media star and the most popular man in America.