before Christ
Before Christ was born
In BC
In BC
573 bc and 623 bc
4000 BC to 2205 BC
323 bc-185 bc
from 3300 BC to 1300 BC
Around the time of 560 BC to 500 BC.
Nothing. There was no time period between BC and AD. 1 BC was followed by 1 AD. There was no year zero or any gap between BC and AD.
1500 bc
You have answered the question yourself. It was the period of time we call 4000 BC to the period known as 3000BC.
As somebody else has answered it, it has been estimated from 3300 BC to 1300 BC. The peak period is said to be from 2500 BC to 2000 BC.
2,000,000 BC to 2,000BC