The 20th Century was full of momentous events that no one could have foreseen in 1900. Looking back on that century, what would you identify as its most important event?

There are a great variety of opinions in response to this question, due mainly to the fact that the 20th Century contained many stupendous events. When I Googled the question, I was presented with many lists. Some of the events that were mentioned on almost every list were the following: ...

Series:Articles