Statistics for occurrence #1 of “Washington, D. C.” in chapter 13, page 254 of Daniel Ammen, Confederate Military History, a library of Confederate States Military History: Volume 7.2, The Atlantic Coast:

... Washington, D. C.
Date.Present for duty.Aggregate present.Commanding general. September, 1861, Dirt, of Pamlico9,01610,743Brigadier-Gener...
Max. Freq. Min. Freq.
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