Men and women, black and white, risked their lives to carve an elaborate network of escape routes out of slavery.
The women's suffrage movement won the right to vote when the 19th Amendment passed in 1920.
The little-known story of a black independent film industry that produced nearly 500 feature films for African American audiences.
Murderer, martyr, hero - John Brown's violent crusade against slavery would divide the nation and spark the Civil War.
His stunning triumph at the 1936 Olympic Games captivated the world even as it infuriated the Nazis. Premiering May 1.
Malcolm X, a man who both terrified and inspired, expressed the anger and struggle of black people for freedom in the 1960s.
A courageous band of civil rights activists called Freedom Riders who in 1961 challenged segregation in the American South.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.