4 river valley civilizations By mitchelltimeline 256 Zhou Dynasty ends in china Jan 26, 771 Zhou capital dynasty moves to Luoyang Jan 26, 771 Nomads sack Hao Jan 26, 1027 Zhou Dynasty begins in china Jan 26, 1500 Indus Valley cites decline Jan 26, 1532 Shang Dynasty begin Jan 26, 1640 Hyoko invades egypt(bc) Jan 26, 1790 Hammurabi codifies laws in mesopotamia(bc) Jan 26, 2000 Xia Dynasty emerges in china Jan 26, 2014 2600bc Great pyramid is built in egypt Jan 26, 2080 middle kingdom begins in egypt(bc) Jan 26, 2350 Sargon of Akkad builds empire in Mesopotamia(bc) Jan 26, 2500 Planned Cities rise in Indus Valley Jan 26, 3000 city states rise in mesopotamia(bc) Jan 26, 3100 Upper & Lower Egypt unite(3100bc)