Statistics for occurrence #1 of “St. Petersburg” in entry dana-francis of Harper's Encyclopedia of United States History:

...is, early in 1781, he received the appointment from Congress of minister to Russia, clothed with power to make the accession of the United States to the armed neutrality. He resided two years at St. Petersburg , and returned to Berlin in 1783. He was again in Congress in the spring of 1784, and the next year was made a justice of the Supreme Court of Massachusetts. In 1791 he was appointed chief-justice...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
St. Petersburg (Russia) 226 45 10 5 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.