Statistics for occurrence #1 of “Pennsylvania” in chapter 2 of Colonel Theodore Lyman, With Grant and Meade from the Wilderness to Appomattox:

... the position of the Army of the Potomac at that time. Halleck was virtually in command of the Union armies. In June, Lee turned the right wing of the Union Army, crossed the Potomac, and entered Pennsylvania . Hooker, then in command of the Army of the Potomac, followed on Lee's right flank, covered Washington, and crossed the Potomac. On June 27, Lincoln relieved Hooker and appointed Meade, who was t...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Pennsylvania (Pennsylvania, United States) 12,690 12 2 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.