A violent uprising in New York City during the Civil War, driven by discontent with the draft and racial tensions, which heavily influenced the setting of Gangs of New York.
An Irish American gang that was active in the 1850s and 1860s in the Five Points area of Manhattan, known for their clashes with rival gangs.
Tammany Hall, the Democratic political machine, dominated New York politics and was notorious for corruption and its influence over immigrant communities during the mid-19th century.
The Enrollment Act that allowed the conscription of men into the Union Army during the American Civil War, which caused widespread protest and riots in New York City.