40th century BC
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|Millennium:||4th millennium BC|
|Decades:||3990s BC 3980s BC 3970s BC 3960s BC 3950s BC
3940s BC 3930s BC 3920s BC 3910s BC 3900s BC
|Categories:||Births – Deaths
Establishments – Disestablishments
During the 40th century BC, the Near East and southeastern Europe were in the Chalcolithic period (Copper Age), transitional between the Stone and the Bronze Ages. Northwestern Europe was in the Neolithic. China was dominated by the Neolithic Yangshao culture. The Americas were in a phase of transition between the Paleo-Indian (Lithic) to the Meso-Indian (Archaic) stage.
- Near East
- In Predynastic Egypt, the El Omari culture arose during this period.
- Start of the Naqada culture
- In Mesopotamia, the Uruk period began.
- the Linear Pottery culture gives way to the Funnelbeaker culture in the north
- Cucuteni-Trypillian culture
- Pit–Comb Ware culture
- In the Pontic steppe, the Dnieper–Donets and Sredny Stog cultures flourish, according to the Kurgan hypothesis associated with Proto-Indo-Europeans.
- East Asia
Events and innovations
- 5.9 kiloyear event
- c. 4000 BC, More than 100 dwellings surrounding a community center, a cemetery and a kiln are built in Jiangzhai, near modern Xi'an, China.
- Susa is a center of pottery production; c. potter's wheel in Mesopotamia.
- approximate time of the construction of the Merheleva Ridge complex.
- Megalithic monuments are constructed in Brittany (Carnac), Portugal (Lisbon), central and southern France, Corsica and Great Britain.
- Metallurgy during the Copper Age in Europe
- Domestication of horses.
- Plough in use.
- Clay pots and vats discovered at a sprawling cave system in southern Armenia near the border with Iran shows signs of an organized effort to press and distill grapes.
- Bede began his history of the world with 3952 BC.
- In their ceremonial or commemorative proceedings, Freemasons add 4000 years to the current Anno Domini calendar year and append Anno Lucis ("Year of Light") to the year (i.e., 2012 AD = 6012 AL). This alternative calendar era, which would designate 4000 BC as "year zero", was created in the 18th century (58th century AL) in difference to the Hebrew calendar's Anno mundi and other ideas regarding the year of creation at the time.
- Federico Lara Peinado, Universidad Complutense de Madrid: "La Civilización Suemria.". Historia 16, 1999.
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