100,000 BCE to 600 BCE belongs to the ancient era according to the new time periodization of events. The Ancient Era is the time when the foundations of the history of the world was built. Long centuries in this era was called prehistory, that is between 100,000-4,000 BCE. It was remembered that during this era, the stone age people survived their day to day living by hunting and searching and gathering for food. They also slept in caves. Eventually, as history progresses, in the 600 BCE, the people started to learn agriculture and opted for permanent living.