The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
At the height of segregation, an unlikely alliance between a black medical genius and a white surgeon led to a pioneering medical breakthrough.
The Alaskan Highway stands today as one of the boldest homeland security initiatives ever undertaken.
The U.S. and the Soviet Union race to build the hydrogen bomb during the Cold War, thus beginning the nuclear arms race.
The grave truth behind modern forensics was discovered in 1920s New York.
When two passenger ships collide off Nantucket in 1909, 1,500 people rely on 26-year-old Jack Binns to operate a new technology - wireless telegraphy - to save them all.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
Politics, culture, race relations, and technology in a year of change.