John Brown put little stock in the idea of abolition through peaceful means. In 1855, he gathered his arsenal and left his home for the slave state of Kansas where he would begin his bloody struggle.
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.
Today one of the most-recognized figures in American literary history, poet Walt Whitman was denounced by critics in his own time.
For 21 years, Chicago mayor Richard J. Daley ruled the city, building the Sears Tower and O'Hare Airport.
Marcus Garvey, a black nationalist leader from Jamaica, had great successes and failures before being jailed and deported from the US in 1927.
A look at JFK's assassination by Lee Harvey Oswald and the subsequent investigations that lead to a widespread loss of trust in government institutions.
Before he became the first U.S. president, service to the colonies would profoundly change George Washington.
The black residents of Tulsa relive their community's remarkable rise and tragic decline.
Malcolm X, a man who both terrified and inspired, expressed the anger and struggle of black people for freedom in the 1960s.