The women's suffrage movement endured infighting, alliances, and betrayals, and won the right to vote when the 19th Amendment passed in 1920.
The story of the American civil rights movement is told through its powerful music -- the freedom songs that protesters sang on picket lines, in mass meetings, in police wagons, and in jail cells as they fought for justice and equality.
The acquittal of the murderers of Chicago teen Emmett Till mobilized the civil rights movement.
Accounting for America's most famous inventor and his role in America's future.
In 1897, Arctic explorer Robert Peary caused a sensation when he returned from Greenland with five Eskimos.
John Wesley Powell's epic journey into the unknown Grand Canyon was filled with adventure as his team mapped the Colorado River for the first time.
Clemente was an exceptional baseball player whose career sheds light on larger issues of immigration, civil rights and cultural change.
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.
The legal efforts by a team of African American lawyers to eradicate segregation ultimately led to the landmark Brown v. Board of Education in 1954.