The time between 6000 BC and 5000 BC is a mysterious time.
The Bible records 6000 BC as about the time of Adam and Eve.
5000 BC is about the time of Noah and the flood.
In between, the biblical record shows that the gene pool got corrupted and worldwide wickedness was rampant with no remedy other than complete annihilation.
FYI, the Bible also says the ends times in which we are living will be like the days of Noah.
How long, can you tread water??
I thought the Flood of Noah was around the Younger Dryas time, 12,900 years ago BP (Before Plastic).