Year 4 Mythology Timeline By that one slytherin Period: 5500 BCE to 2004 BCE Sumer Period: 2686 BCE to 391 Hermopolitan Cult Period: 2686 BCE to 391 Memphite Cult Period: 2686 BCE to 391 BCE Heliopolitan Cult Period: 2300 BCE to 1300 BCE Hurrian Kingdom Period: 2134 BCE to 391 Theban Cult Period: 2000 BCE to 1026 BCE Babylonian Period: 1600 BCE to 1178 BCE Hetitie Kingdom