4th millennium BC
From Wikinfo
(5th millennium BC - 4th millennium BC - 3rd millennium BC - other millennia
Events:
- City of Ur in Mesopotamia (40th century BC).
- Naqada culture on the Nile, 4000-3000 BC.
- Civilization of Crete (38th century BC).
- Civilization of Sumeria, cities-state (36th century BC).
- First to Fourth dynasty of Kish in Mesopotamia.
- Beginning of desertification of Sahara ( 35th century BC).
- Unification of Egypt, 3100 BC.
Significant persons:
- [[�tzi the Iceman]] lived circa 3300 BC.
- Ur-nina first king of Lagash in Mesopotamia (31st century BC).
Inventions, Discoveries, Introductions
- Begin of urbanisation in Mesopotamia with the Sumerians.
- First cities in Egypt (35th century BC).
- First writings in the cities of Uruk and Susa (cuneiform writings). Hieroglyphs in Egypt.
- Potter's wheel used in Middle East.
- Sails used in the Nile.
Centuries
- 40th century BC
- 39th century BC
- 38th century BC
- 37th century BC
- 36th century BC
- 35th century BC
- 34th century BC
- 33rd century BC
- 32nd century BC,
- 31st century BC
References
- Adapted from the Wikipedia article, "4th millennium BC" http://www.wikipedia.org/wiki/4th_century_BC July 26, 2003

