Statistics for occurrence #1 of “Copenhagen” in chapter 60 of Admiral David D. Porter, The Naval History of the Civil War.:

...ut the terms of the purchase, as by this time the war was at an end and the ship was not required. When, therefore, a proposition was made by the builder to repurchase the Sphynx, after delivery at Copenhagen , the Danish authorities accepted it without hesitation, and, as a natural sequence, she passed into the possession of the Confederate agents, was by them put into commission, and christened the Stone...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Copenhagen (Denmark) 271 2 3 0 0 user votes
Copenhagen (Denmark) 0 0 0 0 0 user votes
Copenhagen (Louisiana, United States) 0 0 0 0 0 user votes
Copenhagen (Missouri, United States) 0 0 0 0 0 user votes
Copenhagen (New York, United States) 0 0 0 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.