By: Teal Finley, Matt Yattaw, Tyler Arndt, & Gabe Payor. The Sumerians were the first people to ever write down their laws. Their cuneiform became the model for other peoples writing. Cuneiform- Wedged shaped writing They developed a number system based on 60 From then on it became the 60 minute hour, 60 second minute & the 360 degree circle. They also used a clock that was operated by controlled drops of water. They invented the wheel, which helped in many ways, including transportation. Another was the plow, which helped farmers grow more food with less effort. Another was the sailboat, which replaced muscle power with wind power. One of the first known maps were made on a clay tablet in about 2300 BC. Arches, columns, ramps, pyramid were important architectural innovations. Mud bricks were another important architectural innovation, that’s how they made their houses.