A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.
In September 1959, Soviet Premier Nikita Khrushchev made an unprecedented visit to America, creating a media circus as he traveled from coast to coast.
The staggering death tolls of the Civil War permanently altered the character of the republic and the psyche of the American people.
A new religion called spiritualism affected the nation in the era of Abraham Lincoln, P. T. Barnum and Frederick Douglass.
The grave truth behind modern forensics was discovered in 1920s New York.
A courageous band of civil rights activists called Freedom Riders who in 1961 challenged segregation in the American South.
A look at five real-life "Rosies," the reality of working in defense plants during World War II and then having to give up those jobs for returning GIs.