William M. Tweed

William Magear Tweed (3 April 1823 – 12 April 1878), better known as "Boss" Tweed, was an American politician most notable for being the Boss of Tammany Hall, the Democratic Party political machine that played a major role in the politics of 19th century New York City and State.

At the height of his influence, Tweed was the third-largest landowner in New York City, a director of the Erie Railroad, the Tenth National Bank, and the New-York Printing Company, as well as proprietor of the Metropolitan Hotel.

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