30th century BC
From Wikipedia, the free encyclopedia.

(31st century BC - 30th century BC - 29th century BC - other centuries)

(4th millennium BC - 3rd millennium BC - 2nd millennium BC)

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Events:

• 2925 - 2776 BC - First Dynasty wars in Egypt
• 2900 BC - Beginning of the Early Dynastic Period I in Mesopotamia.

Significant persons:

Inventions, Discoveries, Introductions:

• The shekal was introduced in Mesopotamia as a monetary and weight unit, see Historical weights and measures.

The original article can be found at: http://en.wikipedia.org/wiki/30th_century_BC.
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