For 10 points, name this large northerly island once owned by Denmark.
In 2010, Greenpeace protesters off the coast of this island scaled the Stena Don oil rig owned by Cairn Energy. This island's extremely agglutinative namesake language was first given a Latin orthography by missionary Samuel Kleinschmidt. Archaeologists divide sites on this island into Western, Middle, and Eastern Settlements, the last of which contains the well-preserved ruins of the medieval-era Hvalsey church. In 1888, this island was crossed for the first time by Fridtjof Nansen. The U.S. operates (*) Thule Air Base on the western shore of this island, part of which faces the Davis Strait. Since 1979, it has been administered under home rule from the settlement of Nuuk. For 10 points, name this large northerly island once owned by Denmark.
In 2010, Greenpeace protesters off the coast of this island scaled the Stena Don oil rig owned by Cairn Energy.
Greenland [or Kalaallit Nunaat] 