Statistics for occurrence #1 of “Sharpsburg” in chapter 19 of Maj. Jed. Hotchkiss, Confederate Military History, a library of Confederate States Military History: Volume 3, Virginia:

...of Nicodemus run, from which his artillery swept the roads by which Hooker and Mansfield must advance. Lee, Longstreet and Jackson were in conference, with a map spread before them, in a house in Sharpsburg , when Stuart reported McClellan's advance, by the Williamsport road, late in the afternoon of the 16th. Jackson was promptly sent to take charge of the left wing and meet the threatened engagement....
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Sharpsburg (Maryland, United States) 3,371 94 131 0 0 user votes
Sharpsburg (Ohio, United States) 166 0 12 0 0 user votes
Sharpsburg (Kentucky, United States) 4 0 2 0 0 user votes
Sharpsburg (Pennsylvania, United States) 1 0 1 0 0 user votes
Sharpsburg (Georgia, United States) 0 0 0 0 0 user votes
Sharpsburg (Illinois, United States) 0 0 0 0 0 user votes
Sharpsburg (Iowa, United States) 0 0 0 0 0 user votes
Sharpsburg (Louisiana, United States) 0 0 0 0 0 user votes
Sharpsburg (Mississippi, United States) 0 0 0 0 0 user votes
Sharpsburg (Missouri, United States) 0 0 0 0 0 user votes
Sharpsburg (North Carolina, United States) 0 0 0 0 0 user votes
Sharpsburg (Ohio, United States) 0 0 0 0 0 user votes
Sharpsburg (Ohio, United States) 0 0 0 0 0 user votes
Sharpsburg (Pennsylvania, United States) 0 0 0 0 0 user votes
Sharpsburg (Pennsylvania, 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.