Inside Pennsylvania Hall in 1838, an abolitionist meeting was disrupted when members of an anti-abolitionist mob threw rocks through the windows. The following night, the protestors set fire to the building -- completely destroying Philadelphia's monument to free speech.
A civil rights leader in Harlem before entering politics, Powell was one of the most charismatic black leaders of the 20th century.
A central figure in the narrative of how the west was won, Wyatt Earp and his story became an American legend. Part of the Wild West collection.
The women's suffrage movement won the right to vote when the 19th Amendment passed in 1920.
The African American jazz composer and bandleader performed regularly at Harlem's Cotton Club, leaving a legacy in music.
With data compiled from tens of thousands of sex questionnaires, Alfred Kinsey changed America's views about sex with the Kinsey Reports.
An African American civil rights leader, Ida B. Wells was born into slavery before becoming a journalist in Memphis.
Franklin Roosevelt restored hope after the Great Depression and led the nation during World War II. Part of the award-winning Presidents collection.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.