Writing
The invention of the first writing systems is roughly contemporary with the beginning of the Bronze Age of the late 4th millennium BC. The Sumerian archaic cuneiform script and the Egyptian hieroglyphs are generally considered the earliest writing systems, both emerging out of their ancestral proto-literate symbol systems from 3400 to 3200 BC with earliest coherent texts from about 2600 BC. It is generally agreed that Sumerian writing was an independent invention; however, it is debated whether Egyptian writing was developed completely independently of Sumerian, or was a case of cultural diffusion.
Port, Switzerland
The banks of the Zihl/Thielle river were inhabited since at least the neolithic. The remains of a neolithic Cortaillod culture stilt house village from the second quarter of the 4th Millennium BC were discovered in the Stüdeli area. The area was resettled often during the following millennia. From Bronze Age settlements a number of artifacts were discovered including swords, spearheads, axes and sickles. A Celtic settlement from the 2nd and 1st centuries BC left behind two helmets, metal vessels and about 120 swords and spearheads. However, most of the swords were broken or bent. One bent iron sword contains an engraving, in Greek letters, of the name Korisios. This is considered the oldest written document in Switzerland. Wooden pilings from the same era indicate that the settlement built a bridge over the river. Scattered tools and weapons from the Roman era, the Early Middle Ages and more recently indicate that the area remained settled.