The Most Important Historical Events of the 20th Century

It's easy to say the world wouldn't be where it is today without the significant events that transpired throughout the 20th century. These important historical events, such as World War II, Sputnik, and the invention of the internet, truly shaped our world and paved the way for the 21st century and beyond. While all these events changed the world, some can be seen as more important than others—but which ones?

Check out the list of 20th century historical events below and vote up the ones you feel are most significant, and vote down any that seem less important. Of course, you can also add any events that aren't already on the list. 

Ranked by
  • World War II
    1
  • World War I
    2
  • The Holocaust
    3
  • Invention of the Internet
    4

    Invention of the Internet

  • Beginning of Aviation
    5

    Beginning of Aviation

  • The Rise to Power of Hitler
    8

    The Rise to Power of Hitler

    In 1933
  • Apollo 11
    9
  • Cold War
    10
  • Space Race
    13
  • Vietnam War
    18
  • Nelson Mandela Elected President of South Africa
    25

    Nelson Mandela Elected President of South Africa