3100 BC

Millennium:	4th millennium BC
Centuries:	32nd century BC 31st century BC 30th century BC
Decades:	3090s BC 3080s BC 3070s BC 3060s BC 3050s BC 3040s BC 3030s BC 3020s BC 3010s BC 3000s BC
Categories:	Births – Deaths Establishments – Disestablishments

The 31st century BC is a century which lasted from the year 3100 BC to 3001 BC.

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Wikipedia