-
(Date: 4,000,000 BCE) The first apes stand up on two legs for better sight above long grass. I believe this is important because it is one of the main distinguishing features between humans and apes.
-
(Date: 65,500,000) Many species including dinosaurs go extinct because of a meteor that collided with earth resulting in tsunamis and the sun being blocked. I believe this is important because without this dinosaurs would still roam the earth.
