Prehistory Era (1 gen 3000000 anni a. C. – 1 gen 3000 anni a. C.)
Descrizione:
Is the period that begins with the appearance of the human being, about five million years ago, and finishes with the invention of writing, about 6,000 years ago.
It is a long period divided into three stages: the Paleolithic Age, the Neolithic Age and the Metal Age.