Notes

Tigris and the Euphrates is most likely Iraq, Syria, and Turkey, Sumer Land occuupied land between Tigris and the Euphrates. The population increased, 40,000 people started living there. things started to get complex. Kings started to emerge the concept of "city-state" came along. The Sumerians invented earliest form of writing known as cuneiform. They had gods and godesses, they belived in gods and like sun god, river god, harvest god. They were the first to divide the days into hours which was 60 minutes, and the seconds into 60 seconds. They developed the concept of month and year by observing the moon and its cycle.