We need a search engine dedicated to geo-located events, an automated semantic algorithm which extracts and evaluates every single event on Facebook and Last.fm.
Also create the possibility, If you are an events creator, to suggest or create events. You can also create pages to manage events on behalf of companies (places, associations, trade shows, bands, etc.) and share the page management with other administrators and other requirements.
You can find an example of this kind of site on [login to view URL]