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

US President-elect Donald Trump says owning the Arctic island is vital for national security, but experts say he may also be eyeing other aspects of Greenland such as its trove of natural resources

U.S. President-elect Donald Trump says he wants to make Greenland a part of the United States and does not rule out using military or economic power to get Denmark to hand over the mineral-rich and strategically important island.