The greater Indus region was home to the largest of the four ancient urban civilizations of Egypt, Mesopotamia, South Asia and China. It was not discovered until the 1920's.
Introductions and openings to essays about the ancient Indus Valley civilization and the excavations of their sites
The Indus Valley Civilization flourished in the vast river plains and adjacent regions in what are now Pakistan and western India. The earliest cities became integrated into an extensive urban culture around 4,600 years ago and continued to dominate the region for at least 700 years from 2600 to 1900 B.C. It was only in the 1920's that the buried cities and villages of the Indus valley were recognized by archaeologists as representing an undiscovered civilization.
Modern archaeological excavations at the ancient Indus city of Harappa in Punjab, Pakistan have been going on since 1986. They are being conducted by HARP, the Harappa Archaeological Research
The Largest Bronze Age Urban Civilization
Indus civilization remnants have been discovered from as far south as Mumbai [Bombay], in Maharashtra State, India, and as far north as the Himalayas and