Statistics for occurrence #1 of “Portsmouth” in chapter 11 of Rebellion Record: a Diary of American Events: Documents and Narratives, Volume 5.:

...and appointed Brig.-Gen. Egbert L. Viele Military Governor of Norfolk, with directions to see that the citizens were protected in all their civil rights. Soon after I took possession of Gosport and Portsmouth . The taking of Norfolk caused the destruction of the iron-clad steamer Merrimac, which was blown up by the rebels about five o'clock on the morning of the eleventh of May, which was soon after comm...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Portsmouth (New Hampshire, United States) 470 0 134 0 0 user votes
Portsmouth (United Kingdom) 107 0 13 0 0 user votes
Portsmouth (Dominica) 0 0 0 0 0 user votes
Portsmouth (Iowa, United States) 0 0 0 0 0 user votes
Portsmouth (Kentucky, United States) 0 0 0 0 0 user votes
Portsmouth (Virginia, 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.