Click on the pic to see the full size version.
I actually could not find such a chart, so I decided to learn how to use OmniGraffle Pro once and for all, and to produce it myself. I am not completely happy with it, but after 4 hours it does start to look good. I will update it in the future.
Well, what is it? Just a timeline with the dates on which each SAP CRM release went into ramp-up, general availability, and when the maintenance end.
Please note through years the release strategy and maintenance strategy changed and got more detailed.