To reduce costs and increase production of his most successful automobile -- the Model T -- Henry Ford borrowed a tactic from the meatpacking industry and implemented the assembly line in his manufacturing plant. It would revolutionize the auto industry as would Ford's groundbreaking Five Dollar Day wage for an eight-hour shift.
The last surviving member of a California Indian tribe became a sensation in 1911.
John Philip Sousa was America's favorite bandmaster.
A courageous band of civil rights activists called Freedom Riders who in 1961 challenged segregation in the American South.
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
The 1968 Democratic National Convention saw a clash of political visions on the convention floor and violence outside on the streets of Chicago.
A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.
How five abolitionist allies turned a despised fringe movement against chattel slavery into a force that literally changed the nation.
The evolution of rhythm and blues through the careers of singers Ruth Brown and Charles Brown, with contemporary performances by both.