Describe the planet to an alien, therefore you should include the absolutely most important aspects of the world, those elements that really reflect how you see the world.

The world as I know/experience it.
Describe the planet to an alien, therefore you should include the absolutely most important aspects of the world, those elements that really reflect how you see the world. Please, answer the following questions on separate paragraphs:

Cite 2 important events in the history of the world and say why?
Cite two important events in your lifetime and say why?