For more than a century, U.S. leaders have occasionally looked northward to Greenland. Though Donald Trump’s recent approach was more forceful than any prior gambit, the idea actually dates back to the 1860s under President Andrew Johnson.

Danish cooling-technology company Asetek A/S says suitors are no longer focused solely on its Liquid Cooling arm. In a brief update released Monday, the firm confirmed it has fielded additional expressions of interest for other possible strategic transactions, though talks are still in the early stages.