The staggering death tolls of the Civil War permanently altered the character of the republic and the psyche of the American people.
General Douglas MacArthur led American troops in World Wars I and II before being fired by President Harry Truman during the Korean War.
Harry Truman was responsible for finding America's place at the start of the Cold War. Part of the award-winning Presidents collection.
The first officially formed regiment of northern black soldiers who fought in the Civil War.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
After notorious revolutionary leader Pancho Villa's raid on Columbus, New Mexico, General John Pershing and his 150,000 man cavalry set out to get Villa.