(4th millennium BC - 3rd millennium BC - 2nd millennium BC - other millennia)
Events:
- Foundation of the city of Mari (Syria) (29th century BC )
- Creation of the Kingdom of Elam (Iraq)
- Dynasty of Lagash in Sumerians
- Golden age of Ur in Mesopotamia. (2474-2398)
- First dynasty of Babylon
- Babylon conquers Sumeria and Elam
- Third and Fourth dynasties in Egypt.
- Unified Indus Valley Civilisation (2600 BC)
- Indo-Europeans first invade Greece (23rd century BC)
- Completion of first phase of Stonehenge monument in England
- Ur-nina king of Lagash (29th century BC )
- Urukagina king of Lagash. great reformer, creates the first known judicial code. (24th century BC
- Lugalsaggizi king of Uruk and Umma. Conquers Lagash (2371-2347)
- Sargon the Great, founder of the empire of Akkad and Sumeria (2371-2316}
- Ur-Nammu founder of the 3th dynasty of Ur (2112-2095)
- Pottery developed in Americas (30th century BC )
- Domestication of the horse in Central Asia
- Chinese record a comet
- Building of the Great Pyramid of Giza (26th century BC)
- Sails used on ships (20th century BC)
- First ziggurats built in Sumeria