Though the president-elect's rhetoric is unusual, for over a century a succession of US presidents have tried to gain control of Greenland.

Trump showed initial interest in acquiring Greenland in 2019, and at a press conference Tuesday, he announced, 'we need Greenland for national security purposes.'

The prime minister of the Greenland says the people of his mineral-rich Arctic territory don’t want to be Americans but that he’s open to greater cooperation with the United States