Statistics for occurrence #1 of “Prussia” in chapter 3 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

...ls, he might wish secure dignity for his age. But in ceasing to be the Great Commoner, he veiled his superiority; and made a confession of the utter ruin of his health. My friend, said Frederic of Prussia on hearing of it, has harmed himself by accepting a Peerage. It argues, said the King of Poland, a senselessness to glory to forfeit the name of Pitt for any title. The strength of the Administrati...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Prussia (Iowa, United States) 2 0 0 0 0 user votes
Prussia (Ohio, United States) 2 0 0 0 0 user votes
Prussia (New Mexico, 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.