Statistics for occurrence #1 of “Savannah” in chapter 55 of Admiral David D. Porter, The Naval History of the Civil War.:

... spite of all opposition, and on the 12th of December Rear-Admiral Dahlgren opened communication with General Sherman, who was then near Savannah. The news of Sherman's arrival in the vicinity of Savannah gave great satisfaction to the people of the North, who had begun to feel uneasy in regard to him, owing to the exaggerated reports from Confederate sources. Prompt steps were taken to place vessel...
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.