<human>:  How many kings were there in the Babylonian civilization?
<bot>: There were about 70 kings in the Babylonian civilization, but the most famous was Hammurabi. Hammurabi was the first king of Babylon to codify laws, which is why he is considered to be the father of law. Hammurabi ruled for 31 years, and is considered to be the first ruler to establish a written legal code.