Statistics for occurrence #1 of “Dec” in chapter 23 of Rebellion Record: a Diary of American Events: Poetry and Incidents., Volume 1.:

... border slave States in favor of the secession of all the cotton States. It is also proposed to devise a programme of action for the border States in case of such an emergency.--N. Y. Evening Post, Dec . 27.
...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Dec 638 40 6 0 0 user votes
Nov Dec 390 0 0 0 0 user votes
M. O. Dec 26 0 0 0 0 user votes
John O. Dec 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.