PREHISTORIC TIMES









 

GLACIAL PERIODS:

  •  First Ice Age:  c. 500,000 B.C.

  •  First Interglacial Stage: c. 475,000 to 400,000   B.C.E.

  •  Second Ice Age: c. 400,000 B.C/E.

  •  Second Interglacial Stage: c. 375,000 to 175,000 B.C.E.

  •  Third Ice Age: c. 175,000  B.C.E.

  •   Third Interglacial Stage: c. 150,000 to 50,000 B.C.E.

  •     Fourth (Last) Ice Age: c. 50,000 to 25,000 B.C.E.