The legal efforts by a team of African American lawyers to eradicate segregation case by case and state by state ultimately led to the landmark Brown v. Board of Education in 1954.
The acquittal of the murderers of Chicago teen Emmett Till mobilized the civil rights movement.
The women's suffrage movement won the right to vote when the 19th Amendment passed in 1920.
America came apart in 1964 and has since been reborn.
Marcus Garvey, a black nationalist leader from Jamaica, had great successes and failures before being jailed and deported from the US in 1927.
The trial of nine falsely accused African American teens in Alabama would draw North and South into their sharpest conflict since the Civil War.
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.
The international manhunt to catch the killer of Martin Luther King.
A courageous band of civil rights activists called Freedom Riders who in 1961 challenged segregation in the American South.