Statistics for occurrence #1 of “Gettysburg” in entry everett-edward of Harper's Encyclopedia of United States History:

...e country swamped with his foraging parties. It was now too evident to be questioned that the thunder-cloud, so long gathering in blackness, would soon burst on some part of the devoted vicinity of Gettysburg . June 30 was a day of important preparations. At half-past 11 o'clock in the morning General Buford passed through Gettysburg upon a reconnoissance in force, with his cavalry, upon the Chambers...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Gettysburg (Pennsylvania, United States) 7,452 224 1,368 10 0 user votes
Gettysburg (South Carolina, United States) 0 0 0 0 0 user votes
Gettysburg (South Dakota, 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.