Statistics for occurrence #1 of “Port Royal” in year 1862, month January, day 21 of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...the Governor's call for six months men is upward of six thousand. Lieutenant Ammen, commanding United States gunboat Seneca, reported to Commodore Dupont that the negroes in the neighborhood of Port Royal , S. C., were anxious to obtain arms, confident of their ability to use them with effect.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
† Port Royal (South Carolina, United States) 2,928 117 170 1 0 user votes
Port Royal (Jamaica) 4 0 4 0 0 user votes
Port Royal (Georgia, United States) 2 0 0 0 0 user votes
Port Royal (Alabama, United States) 0 0 0 0 0 user votes
Port Royal (Florida, United States) 0 0 0 0 0 user votes
Port Royal (Kentucky, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Pennsylvania, United States) 0 0 0 0 0 user votes
Port Royal (Tennessee, 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.