Civilitzacions perdudes By Hossam 3500 BCE invenció escriptura 3500 BCE Mesopotamia 3200 BCE Egipte Period: 3000 BCE to 2350 BCE Sumeria Period: 2800 BCE to 2400 BCE Imperi antic Period: 2334 BCE to 2154 BCE Imperi Accadi Period: 2300 BCE to 539 BCE Imperi Babilónic Period: 2025 BCE to 609 BCE Imperi Asiri Period: 559 BCE to 330 BCE Imperi Perse