Statistics for occurrence #1 of “Charleston, S. C.” in year 1861, month May, day 11 of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...nt to the city and placed under the direction of the Police Commissioners to act as a military police corps.--N. Y. Times, May 13. The United States Steam Frigate Niagara arrived off the bar of Charleston, S. C. , and began the blockade of that port.--(Doc. 155.) Six companies of volunteers left Buffalo, N. Y., for the rendezvous at Elmira. Buffalo has so far sent to camp ten companies of volunteers. ...
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