Very good idea. There are few contributions of Tunisia lacking like: Maritime trade empire and republican governance (Carthage), Strategic logistics and advanced tactics (Hannibal), and Social science foundations (Ibn Khaldun). One major challenge with such a project would be that most history has been written in english (and sometimes pushes western focus). The project can be better if you open submissions from people to add, and you do the review. The form can be (Name, email, Idea, Country of the idea, year, how did the idea change human history).