The Step Pyramid, a UNESCO World Heritage Site, was designed and built by the architect Imhotep in the 27th century BC during the Third Dynasty to hold the mummy of Pharaoh Djoser.(Photo: Xinhua) ...

A fart joke, Sumeria, 1900 BC. An ancient Sumerian tablet with cuneiform writing, recording barley distribution, from Mesopotamia, modern-day Iraq, dating to around 3100–2900 BC.