The National Museum of Denmark has confirmed that two 18th-century shipwrecks in Cahuita National Park, long thought to be pirate ships, are the Danish slave ships Fridericus Quartus and Christianus Quintus, which sank in 1710. The identification was announced on Sunday, resolving decades of speculation about the wrecks off Costa Rica’s Caribbean coast. The ships were identified through underwater excavations in 2023, which analyzed ship timbers, cargo blocks, clay pipes, and other artifacts. In 2015, U.S. archaeologists from East Carolina University discovered yellow bricks, specific to Danish manufacturing in Flensburg, among the wreckage, prompting renewed investigation. The wrecks, located on...