While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island, forcing residents to move away for more than 40 years.
It was the deadliest workplace accident in New York City’s history.
In the summer of 1940, 10,000 children were sent from wartime Britain to the United States.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
The international race to develop biological weapons during the 20th century.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
Harry Truman was responsible for finding America's place at the start of the Cold War. Part of the award-winning Presidents collection.
During the Great Depression, Americans built the Hoover Dam, one of the greatest engineering works in history.