Amsterdam Vallon is a fictional character.

Bill the Butcher is a fictional character inspired by William Poole, a real-life gang leader known as "Bill the Butcher." While the film captures the brutality and violence of the era, it takes creative liberties with Bill's character and actions.

Jenny Everdeane is a fictional character.

Boss Tweed was a real historical figure who controlled Tammany Hall, a powerful political machine in New York City. The film accurately portrays his influence and corruption, as well as his role in the Draft Riots of 1863.

Monk McGinn is a fictional character.

The main story following Amsterdam Vallon seeking revenge is fictional.

The film depicts the violent clashes between rival gangs, such as the 'Natives' (led by Bill the Butcher) and the 'Dead Rabbits' (Irish immigrants).

The film is set in the Five Points neighborhood of New York City, a notorious slum in the 19th century known for its poverty, crime, and gang violence.

The film depicts the 1863 New York City Draft Riots, a violent uprising against conscription during the Civil War.

The film portrays the political corruption and influence of Tammany Hall, a powerful political machine in New York City.

The film accurately depicts the strong anti-immigrant sentiment prevalent in the 19th century, particularly towards Irish immigrants.

The film vividly portrays the squalid and overcrowded living conditions in the Five Points, highlighting the poverty and hardship faced by many residents.

The film shows the early stages of organized crime in New York City, but it may exaggerate the influence and power of individual gangs.

The film's visuals and atmosphere effectively recreate the gritty and chaotic environment of the Five Points.

While the film is somewhat based on historical events and characters, it takes significant creative liberties and blends fact with fiction.