4000 bc
When copper was first found. It varies between civilizations. In Europe it began about 5300 BC South Asia it started 7700 BC Africa 3000 BC Mesoamerica 4000 BC South Africa 4000's BC Northern Iran 4300 Hope this is good.
Remembering that there was no year zero, it was 1984 BC.
the indus valley started from 2600 bc till 1900 bc Good luck with the project:)
The Romans invented concrete, not roads. Roads were around before the Rome existed.
There was no currency in Spain in 4000 BC. There was no Spain in 4000 BC. There was no currency anywhere in the world in 4000 BC.
4000 bc
4000 BC; time goes down in BC not upwards like AD. The higher the number in BC the earlier it is
huntid and gatherd
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The Sumerians (4000-2500) BC invented Cuneiform.
Yes. BC stands for "Before Christ", so that 20 BC is five years before 15 BC 4000 BC is 2600 years before 1400 BC
Paleothic
palaeolithic
You have answered the question yourself. It was the period of time we call 4000 BC to the period known as 3000BC.
The world, Adam and the Ark were not created in 4000 BC. This date has been determined by biblical scholars who have counted the confusing numbers in the Bible and have come to an incorrect answer.
4000 BC to 2205 BC