Sumerian Baghdad Parthian Agade (Akkad) Kassites Assyrians Hammurabi cuneiform Ottoman Elamites Sasanian Mesopotamia Pictographic Chaldeans Hittites Gilgamesh Aramaean Nebuchadnezzar II Ashurnasirpal II Amorites Sennacherib Mitannian Empire Akkadian Syria Egypt Ur Islamic conquest Mongols Persian Royal Tombs Abbasid timeline Seleucid Alexander the Great Iraq Chaldaean Mesopotamia time lines