Civilitzacions Perdudes By Jan2009 3500 BCE Invencio de l'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 2137 BCE Imperi Accadi Period: 2300 BCE to 538 BCE Imperi Babilonic Period: 1392 BCE to 934 BCE Imperi Assiri Period: 550 BCE to 330 BCE Imperi Persa