Statistics for occurrence #1 of “Valley Forge” in entry valley-forge of Harper's Encyclopedia of United States History:

...om the foe, and where he might more easily afford protection for the Congress sitting at York. Blood-stains, made by the lacerated feet of his barefooted soldiers, marked the line of their march to Valley Forge . There, upon the slopes of a narrow valley on the borders of the winding Schuylkill, they were encamped, with no shelter but rude log huts which they built themselves. The winter that ensued was...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Valley Forge (Pennsylvania, United States) 154 80 0 0 0 user votes
Valley Forge (Tennessee, United States) 20 0 0 0 0 user votes
Valley Forge (Georgia, United States) 10 0 0 0 0 user votes
Valley Forge (Missouri, United States) 10 6 0 0 0 user votes
Valley Forge (Alabama, United States) 8 0 0 0 0 user votes
Valley Forge (Pennsylvania, United States) 1 0 1 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.