Why Famous: 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 one point, he 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.
- 1844-09-29 Politician Boss Tweed (21) weds Mary Jane C Skaden
- 1870-09-20 Mayor William Tweed accused of robbing NY treasury
- 1871-10-27 Boss Tweed (William Macy Tweed), Democratic leader of Tammany Hall, arrested after NY Times exposed his corruption
- 1873-11-19 William Magear Tweed "Boss Tweed", of Tammany Hall (NYC) convicted of defrauding city of $6M, sentenced to 12 years' imprisonment
- 1875-12-04 William Magear Tweed "Boss Tweed" (Tammany Hall, NYC) escapes from jail