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.
Two days in 1967 revealed a nation divided over a war that continues to haunt us.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
How do you manage weapons of mass destruction without being destroyed by them?
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.
Joseph Goebbels, the second most powerful man in Nazi Germany, was the mastermind behind Adolf Hitler's success.
With the clock ticking and the city under fire how many could be saved?
His stunning triumph at the 1936 Olympic Games captivated the world even as it infuriated the Nazis. Premiering May 1.