Tammany Hall was a political organization in New York City that played a significant role in the city's politics from the late 18th century to the early 20th century. Originally founded as a social club in 1786, it evolved into a powerful Democratic Party machine that controlled local politics. Tammany Hall was known for its ability to mobilize voters, provide social services, and engage in patronage, often leading to accusations of corruption. Throughout its history, Tammany Hall was associated with various influential politicians, including William M. Tweed, who became infamous for his corrupt practices in the 1860s and 1870s. The organization faced numerous challenges, including reform movements and legal investigations, which ultimately led to its decline in power by the mid-