1020 Leif the happy Erikson died

Cnut the great:The North Sea empire

Denmark
Slagelse was founded it had a mint and was an important trading center. And nearby was the viking fort Trelleborg,  Ringsted was established as a Thing for whole Zealand and Viborg was the Jutland thing. Lund in Scania was founded, by Cnut the great, who might have been inspired of the Latin name of London: Londinium. Archaeological excavations have proved that a church was built there around 990.
Sweyn Estridsson, king of Denmark (1047–1074) was born.

Trelleborg

England
Cnut the Great classified English laws.
Norway
Visund (Bison), Olav Haraldsson’s ship was built, it was decorated with bison’s head with horns on the stem.
Karlshovde (Man’s Head) is mentioned in The Saga of Olav the Holy as having sailed in the 1020s. The name comes from a human head on the stem.
Greenland
Leif "The happy" Ericson, The North American explorer died. He was alive in 1019, and by 1025 he had passed on his possession of Eiríksfjǫrðr to his son, Thorkell.

The entrance to Gardar, Greenland

Daily living for Scandinavians in Greenland
Most of the farms were at "Østerbygden" in the Southern Greenland and 400 km further north at Vesterbygden near what is now called Nuuk. The farms were build after, the who dares wins concept, the first pioneers got the best places. And later settlers would have to build their farm in remote desolate areas. Archeologist still find farms in remote areas of Greenland. 

1408 Greenland wedding

Norse did not have Greenland for themselves, the Thule Eskimo people, who originally came from the North Western Greenland moved south while the Norse adventured on hunting expeditions to the North and somewhere in Greenland the two people met. Both people told tales about the meeting, Archeological excavations have found Nordic tools and Eskimo tree figures of European people.

Nordic Skulls often had marks of a violent death this one from Eskimo sling attack

The wedding in the church of Hvalsø between Sigrid Bjornsdottir and Thorstein Olafsson is world famous, the incident is the last evidence of Nordic people in Greenland.