American comandante William Morgan went to Cuba to help Fidel Castro return the country to a democracy. Instead, four years later, he was executed.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
On June 6, 1944, Allied troops invaded Normandy, fighting to free Europe from Nazi occupation and end World War II.
The story of the polio crusade pays tribute to a time when Americans banded together to conquer a terrible disease.
Postwar New York City and the global economic order told through the story of the World Trade Center.
The story behind the development of the oral contraceptive that put women in control of birth control.
The decisions made by leaders and the escalation of bloodletting that finally ended World War II.
Politics, culture, race relations, and technology in a year of change.