There is no such thing as a "definitive" timeline because of all the contradictions and errors in the films and in the novel. I tried to do part of a timeline on Michael's Sicilian sojourn here:

http://www.gangsterbb.net/threads/ubbthr...true#Post580389
...I cited page numbers and direct quotes, but even that was contradicted by other passages in the novel. It's just all over the place.

Also, Hisenberg, if you're cutting and pasting from another source, you should identify the source. It's their intellectual property.