1200 Final Dates

Star Carr occupation

8770-8460 BC

Olmec florescence

1500-400 BC

Chaco florescence

1030-1090 AD,

Chaco colapse

1120 AD

Machu Picchu occupation

1438-1560 AD

Inca empire and Spanish invasion

1438-1532 AD

Virginia City boom period

1860-1880 AD

Kennewick Man

1990s (8,500 years old)

L' Anse Aux Meadows

980 - 1020 AD