Encyclopedia > 28th century BC

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28th century BC

(29th century BC - 28th century BC - 27th century BC - other centuries)

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

Events:

2925 - 2776 BC -- First Dynasty wars in Egypt
2900 - 2334 BC -- Mesopotamian wars of the Early Dynastic period
2775 - 2650 BC -- Second Dynasty wars in Egypt

Significant persons:

Inventions, Discoveries, Introductions:

2773 BC -- The 365 day year introduced
circa 2750 BC -- Silbury Hill begun

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