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5,000
BC
Mesopotamian
Civilization
Often called "the cradle of civilization" , it is believed to have
been the oldest of the ancient civilizations. The Mesopotamian Civilization
was located near the Tigris and Euphrates rivers. There were many
significant developments during this period, like the development
of agriculture, the appearance of the earliest known written language
and codified laws and the advancement of commerce and sciences such
as astronomy and mathematics. They also developed the world's first
known calendars and cities.
Development
of Irrigation
People
started digging ditches to water crops. This originated in Mesopotamia
and Egypt.
Cultivation
of Maize
The
farming of maize was started by the inhabitants of Mexico.
Early
Use of Copper
The
Egyptians, Sumerians, and American Indians were among the early
users of copper. The ancient Romans named copper after their island
Cyprus, where they found the metal.
  
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A ziggurat, a type of temple structure
Babylon,
a Mesopotamian city
Irrigation system in Sacsahuamá, Peru
Copper
Arrowhead
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