40th century BC

Millennium:	4th millennium BC
Centuries:	41st century BC 40th century BC 39th century 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. This century started in 4000 BC and ended in 3901 BC.

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