Greenland

In prehistoric times Greenland was home to several successive Paleo-Eskimo cultures known primarily through archaeological findings. The earliest entry of the Inuit into Greenland is thought to have occurred about 2500 BC. From around 2500 BC to 800 BC, southern and western Greenland was inhabited by the Saqqaq culture. Most findings of Saqqaq period archaeological remains have been around Disko Bay. From 2400 BC to 1300 BC the Independence I culture existed in northern Greenland. It was a part of the Arctic small tool tradition.
Around 800 BC, the Saqqaq culture disappeared and the Early Dorset culture emerged in western Greenland and the Independence II culture in northern Greenland. The Dorset culture was the first culture to extend throughout the Greenlandic coastal areas, both on the west and east coasts, and it lasted until the arrival of the Thule culture in 1500 AD. The Dorset culture population lived primarily from whale hunting. The Thule culture people are the ancestors of the current Greenlandic population. They started migrating from Alaska around 1000 AD, reaching Greenland around 1300 AD. The Thule culture was the first to introduce to Greenland such technological innovations as dog sleds and toggling harpoons.