With over a million already dead, heroic American soldiers and nurses served in the closing battles of World War I. New mechanized weapons led to the bloodiest war of the 20th century.
American prisoners of war in North Vietnam tell of their experiences at the Hanoi Hilton and other notorious prisons.
With the clock ticking and the city under fire how many could be saved?
The U.S. government's response to the Holocaust was slow and fueled by complex social and political factors.
The first officially formed regiment of northern black soldiers who fought in the Civil War.
The staggering death tolls of the Civil War permanently altered the character of the republic and the psyche of the American people.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
During the defining months of the offensive against Germany, American forces faced a moral and strategic dilemma.
After the Soviet blockade of West Berlin, British and American pilots delivered tons of food and fuel to the German city by airplane for nearly a year.