The Most Important Events That Changed History Forever

Both bombings had catastrophic effects on the cities. It took Japan two years to recover from the devastating incident. Otto Hahn, a German atomic scientist known as the father of nuclear chemistry, is reported as having said to his colleagues, "Once I wanted to suggest that all uranium should be sunk to the bottom of the ocean."

Sputnik (1957)

Sputnik 1 was the first-ever artificial earth satellite. The beach ball-sized device was launched into orbit by the Soviet Union on October 4, 1957. Three weeks later, its batteries died. After two months in space, Sputnik fell back into the atmosphere.