Computer programs for viewing and/or contributing to publication of an electronic calendar and electronic calendar events thereon; programs for sharing calendars and/or scheduled events, namely collaborative programs for facilitating the operation of a calendar formed by community contributions; programs for recording event data on computer media and/or downloading event data via a global computer network; programs for linking multiple web pages to an electronic calendar Internet site; programs for enhancing event scheduling capabilities; programs for managing a data base, namely, programs for transferring data to and from data bases and to and from computer programs, networks, and computer files; programs for reporting to individual event contributors; programs for verifying unique events; programs for removing inappropriate event posts; programs for downloading, storing, sharing, enhancing, distributing, editing, manipulating and printing images and storage and management of image data files; programs for managing personal and business information for individuals and groups, namely, access to and management of electronic group, business, and personal calendars; programs for synchronizing event data between an online database, a handheld electronic device, and other electronic devices; programs for developing, preparing, and publishing promotional campaigns for businesses, namely publishing advertising and promotional materials via a network related to events in selected categories and events in public calendars; programs for promoting calendared events and advertising campaigns related to events in selected categories; programs for adding event(s) to public calendar lists to allow others to include the added event(s) in personal calendars; programs for adding event(s) to private networks to allow others in private network to include the added event(s) in personal calendars