Statistics for occurrence #1 of “Dan” in chapter 12, page 304 of The Photographic History of The Civil War: in ten volumes, Thousands of Scenes Photographed 1861-65, with Text by many Special Authorities, Volume 4: The Cavalry:

...was a fast walker, an important requisite in a commander's charger, but a disagreeable quality for the staff officers whose horses were kept at a slow trot. After McClellan retired to private life, Dan became the family horse at Orange, N. J., where he died at the age of twenty-three. McClellan said: No soldier ever had a better horse than I had in Daniel Webster. McClellan also had a charg...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Dan 227 4 9 0 0 user votes
S. S. Dan 18 0 0 0 0 user votes
Frederick Dan 4 0 0 0 0 user votes
Beaver Dan 2 0 0 0 0 user votes
Conner Dan 2 0 0 0 0 user votes
Dawson Dan 2 0 0 0 0 user votes
Diffibaugh Dan 2 0 0 0 0 user votes
Guider Dan 2 0 0 0 0 user votes
Joseph Dan 2 0 0 0 0 user votes
Kette Dan 2 0 0 0 0 user votes
Reorden Dan 2 0 0 0 0 user votes
Tomson Dan 2 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.