What scientific knowledge did they have in the ancient Mesopotamia?

One of the very first civilizations of the ancient Mesopotamia was the civilization of the Sumerians, which arose 4-3 thousand years BC. The Sumerians were one of the first to start building cities, learned how to process metals and build houses from bricks. In addition to all this, the Sumerians were engaged in science. They were the first to study astronomy, carried out mathematical calculations, introduced 7 days a week and invented the wheel. In fact, the region of Mesopotamia was the cradle of human civilization, from where many sciences and important inventions came.