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the first civilization located between the Tigris & Eurphrates Rivers in present day Iraq; term means "land between the rivers;" Sumerian culture.
a geographical area of fertile land in the Middle East stretching in a broad semicircle from the Nile to the Tigris and Euphrates.
the capital of Tang dynasty; population of 2 million, larger than any other city in the world at that time.
the first major metropolis in Mesoamerica, collapsed around 800 CE. It is most remembered for the gigantic "pyramid of the sun".
a Moslem city built on the Silk Road that was one of the first cities to reach a population of over 1 million.
an Indus Valley city laid out in a grid pattern. Had a complex irrigation and sewer system.
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