Statistics for occurrence #1 of “Oregon” in chapter 18 of George Bancroft, History of the United States from the Discovery of the American Continent, Vol. 6, 10th edition.:

... in three former years explored the borders of Lake Superior, and the country of the Sioux beyond it; had obtained more accurate accounts of that Great River, which bore, as he reported, the name of Oregon and flowed into the Pacific; and he now returned to claim reward for his discoveries, to celebrate the richness of the copper mines of the Northwest; to recommend English settlements on the western ...
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.