زٲژ:وِکیٖمیٖڈیا توٲریٖکھٛ

• history and descriptions of all equipment purchased or used by Wikimedia (include comprehensive details of vendor descriptions — their web sites will vanish within only a few years!) ;
• evolution of key policies and practices.

And remember, you can look at early page histories of pages like Wikimedia servers to get an idea of events at a certain time.