President Donald Trump on Saturday vowed to implement a wave of increasing tariffs on European allies until the United States is allowed to buy Greenland, escalating a row over the future of Denmark's ...

January 17, 2026 • In a post on social media, Trump said a 10% tariff will take effect on Feb. 1, and will climb to 25% on June 1 if a deal is not in place for the United States to purchase Greenland.