Statistics for occurrence #1 of “Fortress Monroe” in article pos=89 of The Daily Dispatch: June 19, 1861., [Electronic resource]:

...t Lookout and Fortress Monroe are to be connected by a submarine telegraph. A dozen rifle cannon have been sent to Alexandria. Butler is threatening Great Bethel in force. The troops at Fortress Monroe sleep on their arms.
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Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Fortress Monroe (Virginia, United States) 7,630 46 276 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.