Sumerian

• Sumerian - intricate system of canals, dikes and reservoir
• Sumerian - developed advances mathematical functions to permit accurately plot and forecast
• Potter's wheel - Wheeled vehicle made of solid wooden wheels on axles now regarded as the greatest mechanical invention of all time
• Materia medica - made up of assorted botanical, zoological and mineralogical ingredients.
• City of uruk - great wonder not only because it is considered to be the first true city in the world