Statistics for occurrence #1 of “Oregon” in chapter 2 of Col. O. M. Roberts, Confederate Military History, a library of Confederate States Military History: Volume 12.1, Alabama:

...legates, Mr. Cushing, the president of the convention and five others of the Massachusetts delegates, together with delegates from Virginia, North Carolina, Tennessee, Kentucky, Maryland, California, Oregon and Arkansas, the only Democratic States, withdrew to join them. Having organized under the title of the National State Rights Democracy and adopted the now famous majority report from Charleston, ...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Oregon (Oregon, United States) 1,586 2 0 0 0 user votes
Oregon (Illinois, United States) 9 0 1 0 0 user votes
Oregon (Arkansas, United States) 0 0 0 0 0 user votes
Oregon (Kentucky, United States) 0 0 0 0 0 user votes
Oregon (Maryland, United States) 0 0 0 0 0 user votes
Oregon (Mississippi, United States) 0 0 0 0 0 user votes
Oregon (Missouri, United States) 0 0 0 0 0 user votes
Oregon (New York, United States) 0 0 0 0 0 user votes
Oregon (New York, United States) 0 0 0 0 0 user votes
Oregon (Ohio, United States) 0 0 0 0 0 user votes
Oregon (Pennsylvania, United States) 0 0 0 0 0 user votes
Oregon (Tennessee, United States) 0 0 0 0 0 user votes
Oregon (Wisconsin, 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.