1900s to 1940s: "It was Jews of Russian origin who led drug trafficking, especially cocaine and morphine, and who had control over the game."

1940s: "This is the glorious period of prostitution and the municipal authorities have sounded the alarm about the spread of venereal diseases. In July 1946, the assassination of Harry Davis, a great boss of gambling houses, put an end to the golden age of the Jewish mafia."

1950s: "The Cotroni clan is making its rise in Montreal's organized crime. He controls the international trafficking of drugs, especially heroin, in collaboration with Marseille and Corsican traffickers with whom he maintains very close relations."

1960s: "At the height of the Cotroni clan, the police and political authorities, becoming aware of the severe establishment of organized crime in Montreal and internationally and the dangers it poses to society, allied with those of the United States to fight it."

1970s: "The Commission of Inquiry on Organized Crime, created in 1972, brings to light the activities of the mafia. Account settlements sound the death knell of the Cotroni clan and it is that of Nicolo Rizzuto who takes charge."