Quoc: The Indus Valley Civilisation (IVC) or Harappan Civilisation was a Bronze Age civilisation (3300 -- 1300 BCE; mature period 2600 -- 1900 BCE) mainly in the northwestern regions of South Asia, extending from what today is northeast Afghanistan to Pakistan and northwest India. Along with Ancient Egypt and Mesopotamia, it was one of three early cradles of civilisations of the Old World, and of the three, the most widespread.\n\nAnswer this question: when did the indus river valley civilization exist?
HW Chung: OK, some thoughts:
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To answer the above question, the relevant sentence is: The Indus Valley Civilisation (IVC) or Harappan Civilisation was a Bronze Age civilisation (3300 -- 1300 BCE; mature period 2600 -- 1900 BCE) mainly in the northwestern regions of South Asia, extending from what today is northeast Afghanistan to Pakistan and northwest India. The answer is 3300 -- 1300 BCE ; mature period 2600 -- 1900 BCE.
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