Statistics for occurrence #1 of “Chambersburg” in entry united-states-of-america-pennsylvania of Harper's Encyclopedia of United States History:

...n anticipation of invasion, General Lee having crossed the Potomac into Maryland, Governor Curtin calls 50,000 volunteer militia to Harrisburg......Sept. 11, 1862 Confederate General Stuart raids Chambersburg with about 2,000 cavalry......Oct. 12-14, 1862 Confederate advance enters Pennsylvania......June 22, 1863 Carlisle occupied by the advance of the Confederate forces under Ewell; Kingston, 13 ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Chambersburg (New Jersey, United States) 716 208 128 34 0 user votes
Chambersburg (Illinois, United States) 0 0 0 0 0 user votes
Chambersburg (Missouri, United States) 0 0 0 0 0 user votes
Chambersburg (Ohio, 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.