Danish warship Dannebroge, sunk during the 1801 Battle of Copenhagen, has been located in harbor sediments 225 years after its fiery demise, according to Denmark’s Viking Ship Museum. The discovery coincides with the battle’s anniversary, reigniting interest in a conflict that shaped naval warfare and birthed the phrase “to turn a blind eye.”

The ship, central to Denmark’s defense against Britain’s Admiral Horatio Nelson, carried 375 crew and sank after British forces breached its defenses. Archaeologists identified it via ballast and timber, with bone fragments and cannoneers’ shoes recovered. Museum director Morten Johansen noted the find “resonates as a heroes’ story” in Danish history, contrasting Britain’s celebration of Nelson’s tactical defiance.

The wreck lies beneath Copenhagen’s harbor, now part of Lynetteholm—a $1.5 billion artificial island project combating rising tides. Construction delays last year uncovered the medieval cargo ship, highlighting Denmark’s layered maritime past. Johansen emphasized the Dannebroge’s remains cannot be salvaged, as it was dismantled post-1821 to clear shipping lanes.

This discovery underscores the battle’s dual legacy: Denmark’s resilient defense and Nelson’s controversial “blind eye” tactic, which became a naval idiom. As Lynetteholm rises, the wreck serves as a submerged memorial, linking past and present struggles against existential threats—be they British fleets or climate change.