The Battle of the Bulge was the biggest and bloodiest single battle American soldiers ever fought.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.
The international race to develop biological weapons during the 20th century.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
Joseph Goebbels, the second most powerful man in Nazi Germany, was the mastermind behind Adolf Hitler's success.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.