1,000,000-3,000 B.C.
3,000-1,200 B.C.
1,200 B.C. -1,300 A.D.
500-1500 A.D.
1,300- 1,600 A.D.
1,600- 1700’s A.D.
1750- Early 1900’s
Early 1900’s - Current