c. 175 AD: Funeral offerings in graves at the Norton Mounds in Michigan are elaborate. Materials imported from great distances indicate vigorous trade.
c. 500 AD: The Thule people arrive in Alaska
c. 550 AD: In the Upper Mississippi and Great Lakes areas, Woodland peoples construct their burial mounds in the shape of birds or animals.
c. 985-1014 AD: Norsemen led by Leif Ericson, son of Erik the Red, set up outposts in North America like L'Anse aux Meadows and Point Rosee with encounters with the Inuit, Beothuks, and Micmacs.
