"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
In the Philippines, Army Rangers liberated 513 prisoners of war three years after the Bataan Death March.
With the clock ticking and the city under fire how many could be saved?
The Battle of the Bulge was the biggest and bloodiest single battle American soldiers ever fought.
Major Walter Reed's discovery in 1900 that mosquitoes spread yellow fever halted an outbreak and led to the disease's eventual eradication.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
The first officially formed regiment of northern black soldiers who fought in the Civil War.