Complex sentence: In Urban history, Susa is one of the oldest-known settlements of the region and indeed the world, possibly founded about 4200 BCE; although the first traces of an inhabited Neolithic village have been dated to c 7000 BCE.
Split into simpler sentences: In urban history, Susa is one of the oldest-known settlements of the region and the world, possibly founded about 4200 BCE. Archeologists have dated the first traces of an inhabited Neolithic village to c 7000 BCE.