Fannie Lou Hamer stood up and challenged the movement. After registering to vote, she and 17 others were arrested, and she had to leave her home and her job. Of "the people of Mississippi, the Negroes," she said, "We are not satisfied and we haven't been satisfied a long time." Watch "Freedom Summer" on American Experience PBS on June 24, 2014.
The women's suffrage movement won the right to vote when the 19th Amendment passed in 1920.
A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
The Freedom Summer of 1964 saw whites and blacks coming together in a nonviolent army to bring national attention to the struggle for racial equality.
In September 1959, Soviet Premier Nikita Khrushchev made an unprecedented visit to America, creating a media circus as he traveled from coast to coast.
Head of the most powerful family in America, billionaire John D. Rockefeller's vast philanthropy changed his family's reputation.
It was the deadliest workplace accident in New York City’s history.