Mesopotamia era (2h 23min, apr 7, 7000 y BC – 17h 24min, jan 24, 538 y BC)
Description:
Invented the first system of writing invented the wheelAdded to timeline:
Date:
2h 23min, apr 7, 7000 y BC
17h 24min, jan 24, 538 y BC
~ 6466 years