Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
Before World War II, young Chinese Americans defied cultural tradition in San Francisco's Chinatown, previously closed to outsiders.
The historic journey of Apollo 8 captivated the world in 1968 -- a bright spot in a year marked by political assassinations, race riots, and the Vietnam War.
While the U.N. debated strategies for control of atomic energy, the U.S. Navy was preparing for nuclear tests on Bikini Island.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
For the first time on television, God in America will explore the historical role of religion in the public life of the United States.
The most daring and innovative accomplishment at the turn of the 20th century.