Matthew

Event-O-Matic has been rewritten for WordPress 4. View details below.
The Event-O-Matic is an amazing plugin that allows rapid publishing of event listings to your website. Event-O-Matic allows your users to submit their own events and gives you the ability to moderate these events as they arrive to your site. Edit or reject submitted events and add them to your listings for the ultimate social driven event service. Event-O-Matic is also fully integrated with Google Maps to give each event clear location information within your city. View more information <a href="http://garvinmedia.com/eom" rel="nofollow ugc">here</a>.
Other features:
<ul>
<li>Easy media upload for events.</li>
<li>Sidebar widget with upcoming events listings.</li>
<li>Admin Dashboard for quick status previews.</li>
<li>Updated Google Maps Geolocation service.</li>
<li>Exportable to iCal formats</li>
</ul>

Event-O-Matic

Manage submissions to build a community-driven event listing. Allow users to submit events that you can easily review and moderate.

Event-O-Matic vs CodePeople Post Map for Google Maps