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.
"The Wizard of Menlo Park," Inventor Thomas Edison, built the first practical light bulb and revolutionized the world.
In the early 1830s, Texas, ruled by Mexico, held 20,000 U.S. settlers and 4,000 Mexican Tejanos, forcing residents to pick sides.
Robert E. Lee, the leading Confederate general of the American Civil War, remains a source of fascination and, for some, veneration.
During World War II, more than a thousand women signed up to fly with the U.S. military as WASPS.
The internationally famous carnival of delights in New York was the birthplace of the hot dog and the roller coaster.
In 1960, Francis Gary Powers' U-2 spy plane was shot down over the Soviet Union.
General Douglas MacArthur led American troops in World Wars I and II before being fired by President Harry Truman during the Korean War.
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.