Wikimedia CH - Association for the advancement of free knowledge is a non-profit association aimed to support the free dissemination of knowledge in Switzerland, including projects hosted by the Wikimedia Foundation, including the free encyclopedia Wikipedia, the multimedia database Wikimedia Commons, and others. Created on May 14th 2006, it is recognized by the Wikimedia Foundation. However, it is a financially and legally independent entity, obeying different rules and leadership. Wikimedia CH does not host any of the projects of the Wikimedia Foundation and has no publishing right on them.