Statistics for occurrence #1 of “Savannah” in chapter 9 of Admiral David D. Porter, The Naval History of the Civil War.:

...an half an hour, was that Commodore Tatnall and one of his squadron were driven back; the other three vessels made good their passage down to Fort Pulaski, and afterwards passed up the river again to Savannah , where one of them sunk at the dock. As a demonstration the appearance of the gun-boats was a success, as Savannah was thrown into a great state of excitement, and all the energies of the people ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Savannah (Georgia, United States) 8,420 96 760 0 0 user votes
Savannah (Mississippi, United States) 349 0 1 0 0 user votes
Savannah (Missouri, United States) 14 0 2 0 0 user votes
Savannah (California, United States) 2 0 0 0 0 user votes
Savannah (Iowa, United States) 0 0 0 0 0 user votes
Savannah (North Carolina, United States) 0 0 0 0 0 user votes
Savannah (North Carolina, 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.