3rd millennium BC

(4th millennium BC – 3rd millennium BC – 2nd millennium BC – other millennia)

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\nEvents:\n* Foundation of the city of Mari (Syria) (29th century BC ) \n* Creation of the Kingdom of Elam (Iraq)\n* Germination of the Bristlecone pine tree "Methuselah" about 2700 BC, the oldest tree still living now\n* Dynasty of Lagash in Sumerians\n* Golden age of Ur in Mesopotamia. (2474–2398 BC)\n* First dynasty of Babylon\n* Babylon conquers Sumeria and Elam\n* Third and Fourth dynasties in Egypt. \n* Unified Indus Valley Civilisation (2600 BC)\n* Indo-Europeans first invade Greece (23rd century BC)\n* Completion of first phase of Stonehenge monument in England\n* Completion of the Great Pyramid of Giza\n* Major migration of Central Saharans into West Africa Significant persons:\n* Ur-nina king of Lagash (29th century BC)\n* Urukagina king of Lagash. great reformer, creates the first known judicial code. (24th century BC)\n* Lugalsaggizi king of Uruk and Umma. Conquers Lagash (2371–2347 BC)\n* Sargon the Great, founder of the empire of Akkad and Sumeria (2371–2316 BC}\n* Ur-Nammu founder of the 3th dynasty of Ur (2112–2095 BC) Inventions, Discoveries, Introductions\n* Pottery developed in Americas (30th century BC)\n* Domestication of the horse in Central Asia\n* Chinese record a comet\n* Building of the Great Pyramid of Giza (26th century BC)\n* Sails used on ships (20th century BC)\n* First ziggurats built in Sumeria\n* Near East civilizations enter Bronze Age around 3000 BC Centuries

• 30th century BC\n* 29th century BC\n* 28th century BC\n* 27th century BC\n* 26th century BC\n* 25th century BC\n* 24th century BC\n* 23rd century BC\n* 22nd century BC\n* 21st century BC

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