Statistics for occurrence #1 of “United States” in year 1861, month April, day 22 of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...t at Fort Sumter, as follows:-- Wan Department, Wasiington, April 22, 1861. Major Robert Anderson, late Commanding Officer at Fort Sumter: my dear Sir: I am directed by the President of the United States to communicate to you, and through you to the officers and men under your command at Forts Moultrie and Sumter, the approbation of the Government of your and their judicious and gallant conduct there...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
United States (United States) 100,886 2,132 0 0 0 user votes
United States (New Mexico, United States) 6 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.