Sumeria

Sumeria was the first human civilization in the year 3500 BC in southern Iraq.

The sumerians created their own system of irrigation for the first time in the history of the humanity; that led to the Sumerians, to have better food resources wheat was the main diet of the Sumerians, as much wheat harvested.

Sumerians were also the inventors of the concept of architecture arch.

They were the ones who invented writing symbols, Sumerian pictograms about the year 3100 BC are the oldest characters that are known and were found in 1928.

The first stage of this creation started with numbers and drawings, marked in the surface of a mud table, their numerical system was based on the numbers ten and sixty.