Denmark has dismissed the plans, calling them "absurd," and refused to discuss the matter.
Greenland is located in the northwestern part of the Atlantic Ocean, which makes it of strategic importance for the development of the Arctic region. The United States has had its Thule Air Base in the northwestern part of Greenland since 1943.
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New York University student researchers sit on a rock overlooking the Helheim glacier in Greenland. US President Trump announced his decision to postpone an early September visit to Denmark by tweet Tuesday 20 August 2019, after Danish Prime Minister Mette Frederiksen dismissed the notion of selling Greenland to the US as "an absurd discussion."
© AP Photo / Felipe Dana
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From caves to cenotes and crevasses, explore subterranean worlds with our weekly album, 'What Lies Beneath'. Will Gadd climbing in Greenland on 14 October 2018.
© AP Photo / Red Bull Content Pool / Christian Pondella
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A view of ice melting during a heatwave in Kangerlussuaq, Greenland is seen in this 1 August 2019 image obtained via social media.
© REUTERS / Social Media
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A black dog stands in front of a couple and their home in Greenland.
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General view of Thule Air Base, Greenland, 31 October 2018.
© REUTERS / Ritzau Scanpix/Linda Kastrup
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A man smokes a pipe in the town of Kulusuk in Greenland on 21 August 2019. - Denmark's prime minister said on 21 August 2019 that she was "annoyed and surprised" that US President Donald Trump postponed a visit after her government said Greenland, a self-governing territory under the Danish throne was not for sale, but insisted that their ties remained strong.
© AFP 2023 / Jonathan Nackstrand
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An iceberg floats in a fjord near the town of Tasiilaq, Greenland, 18 June 2018.
© REUTERS / Lucas Jackson
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From oceans to wide open landscapes, celebrate World Tourism Day on 27 September and explore our planet with these gorgeous destinations, as chosen by our editors. Petr Kraus and friends walk on the Ice Cap in Greenland on 15 August 2012.
© AP Photo / Red Bull Content Pool / Mads Pihl
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FILE PHOTO: A woman and child hold hands as they walk on the street in the town of Tasiilaq, Greenland 15 June 2018.
© REUTERS / Lucas Jackson
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In this photo taken late Friday, 16 August 2019, homes are illuminated after the sunset in Tasiilaq, Greenland.
© AP Photo / Felipe Dana