For many its the Roman empire or the Greeks. Similarly ancient Egypt. Or the British empire. Maybe the Japanese, Chinese and Norse as the next 3.
I have deliberately not mentioned time periods there.
These are the most commonly beloved. What are your favourites and why?
Rome, but not the empire part. I love aqueducts and construction/mechanical engineering. The things they did without electricity is amazing to me.
This is great. I love the niche.