Includes occasional groups and groups that are constituted as meetings, conferences, congresses, expeditions, exhibitions, festivals, fairs, etc. Includes musical performing groups, groups of visual artists, and dance companies producing collective work. Includes organizations that act as territorial authorities, exercising or claiming to exercise government functions over a certain territory, such as a federation, a state, a region, a local municipality. Includes organizations and groups that are defunct as well as those that continue to operate. Includes fictitious organizations or groups of persons.