The first officially formed regiment of northern black soldiers who fought in the Civil War was formed after President Lincoln's Emancipation Proclamation and consisted mostly of free men.
The international race to develop biological weapons during the 20th century.
In the summer of 1940, 10,000 children were sent from wartime Britain to the United States.
Robert E. Lee, the leading Confederate general of the American Civil War, remains a source of fascination and, for some, veneration.
The story of the dramatic post-World War II tribunal that brought Nazi leaders to justice and defines trial procedure for state criminals to this day.
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
A revealing portrait of one of America's most paradoxical leaders.
Winner, 2010 Peabody Award --- The 1968 My Lai massacre, its subsequent cover-up, and the soldiers who broke ranks to bring the atrocity to light.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.