3rd millennium BC
(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)
- Germination of the Bristlecone pine tree "Methuselah" about 2700 BC, the oldest tree still living now
- Dynasty of Lagash in Sumerians
- Golden age of Ur in Mesopotamia. (2474–2398 BC)
- 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
- Megalithic and Beaker culture prevalent in northwest Europe.
- Completion of the Great Pyramid of Giza
- Major migration of Central Saharans into West Africa
Significant persons:
- Djoser, king of Egypt, commissions the Step Pyramid at Saqqara.
- Khufu, king of Egypt, builder of the Great Pyramid of Giza
- Urukagina, king of Lagash, creates the first known judicial code. (24th century BC)
- Lugalsaggizi, king of Uruk and Umma conquers Lagash (2371–2347 BC)
- Sargon the Great, founder of the empire of Akkad and Sumeria (2371–2316 BC)
- Ur-Nammu founder of the 3rd dynasty of Ur (2112–2095 BC)
Inventions, Discoveries, Introductions
- 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
- Near East civilizations enter Bronze Age around 3000 BC
- Oldest known medicine wheel constructed in America
Centuries
- 30th century BC
- 29th century BC
- 28th century BC
- 27th century BC
- 26th century BC
- 25th century BC
- 24th century BC
- 23rd century BC
- 22nd century BC
- 21st century BC
da:3. ĺrtusinde f.Kr.
de:3. Jahrtausend v. Chr.
es:III milenio adC
fr:IIIe millénaire av. J.-C.
it:III millennio AC
ja:紀元前3千年紀
lb:3. Joerdausend v. Chr.
ur:2000مقم