See also: 1905 in organized crime, other events of 1906, 1907 in organized crime and the list of 'years in organized crime'.
- Lupo the Wolf is arrested and charged with kidnapping Tony Bonzuffi, the son of an East Side banker and suspected Black Hand victim.
- Paul Kelly's nightclub Little Naples is forced to close under pressure from reform movements.
- "Louie the Lump" Louis Pioggi joins the Five Points Gang at age seventeen. Within two years he would become a prominent gunman within the gang.
- Nicola Gentile becomes a member of the Philadelphia crime family.
- Charles Luciano immigrates to New York with his family.
Arts and literature
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