"Asphalt is an amazingly creative substance with a long history of diverse use. It has been used in countless ways for centuries by many different cultures around the world.
Records show that the first use of asphalt was probably by the inhabitants of the Euphrates river valley in southeastern Mesopotamia, which is now Iraq. In early years Iraq was called Sumer or Accad, and later, Babylonia. Many natural deposits of asphalt were found in this region between the Nile river in Egypt and the Indus river in India."
For the full article, check out: http://asphaltmagazine.com/early-uses-of-asphalt/