Bronze and Iron ages: 3300 B.C. Bronze was the metal that governed technology. Around 1200 B.C. iron was discovered to be stronger and lighter than bronze.
Early Bronze Age: 3300-2000 B.C.: Writing came about in this time; furthermore, city-states were developing in the ancient Near East. In Egypt this is the period of the Old Kingdom, and it is characterized by the building of the great pyramids.
Middle Bronze age: 2000-1550 B.C.: This is generally the time ascribed to the patriarchs (Abraham, Isaac, and Jacob). In Babylon Hammurapi rose to power in 1792 B.C., and he is most famous for his code of laws. Egypt was taken over by the Hyksos, and in Palestine the Canaanites were establishing city-states.
Late Bronze Age: 1550-1200 B.C.: Characterized by international trade with Israel caught right in the middle. (Moses and Joshua)