With the clock ticking and the city under fire how many could be saved?
The Pennsylvania Railroad Company accomplished an enormous engineering feat, but destroyed a great architectural monument.
The Battle of the Bulge was the biggest and bloodiest single battle American soldiers ever fought.
Robert Noyce's invention of the microchip launched the world into the Information Age.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.