Native Americans: Haida Indian History and Culture
At its height, the Indus civilization extended over half a million square miles across the Indus river valley, and though it existed at the same time as the ancient civilizations of Egypt and Sumer, it far outlasted them.
Muslim Scientists and Islamic Civilization
This gradually develops into the Gangetic civilization of the first millennium BC, which is the classical civilization of ancient India, which retains its memory of its origin in the Saraswati region through the Vedas.
The remains of these two cities were part of a large civilization and well developed ancient civilization, which is now called by historians as 'Indus Valley Civilization', or 'Saraswati Civilization'.