The worst epidemic in American history killed over 600,000 Americans during World War I.
Brothers Wilbur and Orville Wright built a flying machine that made its first flight in Kitty Hawk, North Carolina in 1903.
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.
The story behind the development of the oral contraceptive that put women in control of birth control.
Equipment failure, human error and bad luck led to the country's worst nuclear accident in 1979.
The first around-the-world air race was sponsored to prove that the airplane had a commercial future.
A brilliant scientist, Oppenheimer was tasked with the development of the atomic bomb during World War II.
The most daring and innovative accomplishment at the turn of the 20th century.