A particularly successful form of multi-stakeholder cooperative is the Italian social cooperative, of which some 11,000 exist.  1 Type A social cooperatives bring together providers and beneficiaries of a social service as members.
History of US Quidditch. Quidditch was founded in 2005 at Middlebury College by then-freshman Xander Manshel. Looking for a variation on their normal Sunday activities, Manshel and his friends laid the foundation for a game that has grown in leaps and bounds to become a widely respected, physically intense sport.
Community Q&A. In the Harry Potter series written by JK Rowling the main wizarding sport is Quidditch. However you don't have to have magical powers to play. There are many different ways of playing Quidditch, but the most commonly used set of rules are those given by the International Quidditch Association (which can be found here).