when did the harappan civilization exist
The Indus River Valley Civilization: Mohenjo-Daro and Harappa. The civilization of the Indus River at Mohenjo-Daro and Harappa arose at about 2500 BCE and ended with apparent destruction about 1500 BCE.It is uncertain whether this civilization had its roots in Sumer or Sumer had its roots in this civilization.ohenjo-Daro and Harappa. The civilization of the Indus River at Mohenjo-Daro and Harappa arose at about 2500 BCE and ended with apparent destruction about 1500 BCE.