When were the first stairs built?
When were the first stairs built and what were the materials used.
When were the first stairs built and what were the materials used.
benavides46@sbcglobal.net
Favorite Answer
Legally. Could be the Sumerians. 9,000 BC. They built Ziggurats (bldgs). They covered their buildings with brick, but I suppose that the base was sand, mud or stone.