Here's a basic Commission time line -


In 1931, after the murders of Masseria and Maranzano, the original Commission is established with 7 members: the five New York families, Chicago, and Buffalo. Most eastern families without a seat were represented by the Genovese family. Most western families were represented by Chicago. The Commission would have national influence for about the next 50 years.

In 1961 2 additional members were added to the Commission, the Detroit and Philadelphia families.

In the 1960's the Chicago Outfit starts to miss more Commission meetings, which eventually resulted in a two-headed Commission with Chicago resolving family disputes west of them. Remaining common interests between New York and Chicago dealt with four major international unions and open territories.

In 1974 the Buffalo family loses it's seat on the Commission with the death of boss Stefano Magaddino.

In 1977 the Detroit family loses it's Commission seat when boss Joseph Zerilli dies.

In 1980 Philadelphia loses it's Commission seat when boss Angelo Bruno is killed.

In the 1980's the New York and Chicago lost more contact due to prosecutions that brought new leaders that were unacqauinted with each other, as well as the weakening of New York and Chicago control of the four international union through prosecutions and internal reform. The Commission essentially becomes a New York enterprise.