Danish PM Warns U.S. Annexation of Greenland Would “End NATO”

The long-standing alliance between the United States and Europe is facing its most existential threat to date. Danish Prime Minister Mette Frederiksen has declared that any unilateral U.S. attempt to take over Greenland would signal the immediate collapse of the North Atlantic Treaty Organization (NATO).

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The “End of Global Security”

In a high-stakes interview with TV2 on January 5, 2026, Frederiksen responded to renewed threats of annexation from Washington. Her message was a direct appeal to international law and the sanctity of the alliance:

• A Breakdown of Trust: Frederiksen argued that if the U.S. uses military force against a fellow NATO member, the treaty’s core principle of collective defense is dead.
• The Post-War Order: She warned that such an act would dismantle the security framework that has maintained peace in the West since the end of World War II.
• Democratic Sovereignty: Both Frederiksen and Greenlandic Prime Minister Jens-Frederik Nielsen have underscored that Greenland is not a commodity for sale, but a democratic nation.

Why Greenland? Why Now?

The tension has reached a breaking point following President Trump’s recent comments, where he suggested a “20-day timeline” for action regarding the island. Several factors are driving this escalation:

Factor	Description
Arctic Security	The U.S. claims Denmark is “outmatched” by Russian and Chinese expansion in the North.
Rare Earth Minerals	Greenland holds massive, untapped deposits of minerals critical for modern technology and defense.
Military Momentum	Following recent U.S. intervention in Venezuela, there is growing concern that the administration is pivoting toward a more aggressive, unilateral foreign policy.

Global Repercussions

The response from the international community has been swift. Leaders from the UK, France, and Germany have publicly backed Denmark, framing the issue as a test of whether international borders still command respect.

“If the United States chooses to attack another NATO country militarily, then everything stops.” — Mette Frederiksen, PM of Denmark

The European Union has also issued a formal statement affirming its commitment to the territorial integrity of Denmark, effectively drawing a “red line” in the Arctic.