13 feb 4889 anni a. C. - First usage of written language, cuneiform
Descrizione:
 This is when humans first developed a written language. The first written languages were developed by the Sumerian people of southern Mesopotamia (part of modern Iraq). 
Aggiunto al nastro di tempo:
Data:
13 feb 4889 anni a. C.
Adesso
 ~ 6919 years ago