This city had a gang named for dunking opponents in slaughterhouse tubs who supported the Know Nothing Party. This city was where Massachusetts militiamen and Confederate sympathizers fought the April 1861 Pratt Street Riot. 
This city had a gang named for dunking opponents in slaughterhouse tubs who supported the Know Nothing Party. This city was where Massachusetts militiamen and Confederate sympathizers fought the April 1861 Pratt Street Riot. A hairdresser in this city, Cipriano Ferrandini, was accused of trying to kill the President-elect. After previously walking out of the Charleston convention, Southern Democrats refused to reconvene in an 1860 convention held in this city. Rumors of a plot named for this city led to Allan Pinkerton suggesting Abraham Lincoln travel through it by night on the way to his inauguration. The first company to operate a locomotive built in America was named for this city and the Ohio River. For 10 points, name this Maryland city which was the "B" in the B&O Railroad.
This city had a gang named for dunking opponents in slaughterhouse tubs who supported the Know Nothing Party.
Baltimore