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.Â
Ranked by
- World War II, also known as the Second World War, was a global war that lasted from 1939 to 1945, though related conflicts began earlier. It involved the vast majority of the world's ...more
- World War I, also known as the First World War or the Great War, was a global war mostly centered in Europe that began on 28 July 1914 and lasted until 11 November 1918. More than 9 million ...more
- The Holocaust, also known as the Shoah, was a genocide in which approximately six million Jews were killed by the Nazi regime and its collaborators. Some historians use a definition of the Holocaust ...more
- 4
Invention of the Internet
- 5
Beginning of Aviation
- In August 1945, during the final stage of the Second World War, the United States dropped atomic bombs on the Japanese cities of Hiroshima and Nagasaki. The two bombings, which killed at least ...more