Most important world history events?

i have this project that i have to have very important events but i can't think of any can you help please ...........................

Most important world history events?opera ticket

Fall of the roman empire

Adoption of Christianity by Constantine

Invention of the printing press

French Revolution

Industrial Revolution

American Revolution

Creation of the American Constitution

Pearl Harbor

D-Day

Stalingrad

Nagasaki and Hiroshima

Cuban missle crisis

Civil rights movement

9/11

Most important world history events?pacific theater opera theater

Here are a few off the top of my head:

The great depression

Pearl Harbour or Hiroshima

The civil rights movement

The cold war

The cuban missile crisis

The fall of the Berlin Wall

9/11.
The change from people being strictly hunters to hunter - gatherers. For the first time, people were able to develop communities, common language, skills, etc. This was a basic step toward building cities and civilizations.
the scientific revolution, wwi, wwii, the crusades, cuban missile crisis, american revolution, french revolution, bolshevik revolution, civil war, british conquest of canada, spanish inquisition, watergate, and the list goes on and on and on and on and on.