The earliest written records of mankind was believed to have started around 3,000 BC, and are found in three places: in the Nile Valley, in Mesopotamia, and in the Indus Valley. Of these three forms of writing, only the first two can be read. Before 3,000 BC, archeologists can trace man’s story only by digging up the objects he has left behind: his tools and weapons, fragmentary remains of the houses he lived in, the vessel in which he stored his food, the bones of animals he hunted or domesticated, his ornaments and those of his Continue reading...