The oldest known dolmen are in Western Europe, where they were set in place around 7000 years ago, at the same time as the ancient civilisations of Egypt, India, and the Middle East.
The oldest known dolmen are in Western Europe. They were set in place around 7000 years ago. This was at the same time as the ancient civilisations of Egypt. This was at the same time as the ancient civilisations of India. This was at the same time as the ancient civilisations of the Middle East.