Statistics for occurrence #1 of “Brigadier-General B. S. Roberts” in year 1863, month March of Rebellion Record: a Diary of American Events, Diary from December 17, 1860 - April 30, 1864:

...rce, under General Pettigrew. After a bombardment of four hours duration, a fleet of gunboats appeared opposite the city, and opening on the rebels dispersed them in great haste.--(Doc. 137.) Brigadier-General B. S. Roberts , in command of the defences of the Upper Potomac, issued orders regulating the trade between Maryland and Virginia.--The Loyal National League, of New York City, was inaugurated at the Academy of Mus...
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