For a long time, Babylon was the largest city in the world. The population was up to about 200,000 people. For centuries it also remained the center for trade and religion. Babylon’s fame was probably caused by it’s leaders. One leader that made a huge impact on Babylon was King Hammurabi. He was probably Babylon 's greatest leader of the Old Babylonian time. He reigned from around 1792-1750 BCE. His first years were not very encouraging, probably because he was focusing on internal administration. He is mostly known for his famous code laws. He was the sixth Amorite king of Babylon in the first dynasty. Babylon became the powerful city we know later in his reign. Shamshi-Adad, who was also an Amorite, was actually the dominant personality at