wp-chd-developer

The plugin features a straight forward user interface in the WordPress dashboard to add/edit and delete events and set some options. 
Events allows you to list Events on a seperate page or in the sidebar, or both. Here you can list Old (archived) events future events and if you want, events happening today. 
When you create or edit an event you can set it to be archived. So that it remains listed. Optionally non-archived events are automatically deleted one day (24 hours) after they expire. Many more options are available and Events is completely customizable to your theme in an easy and flexible manner.
Features
<ul>
<li>Widget for themes that support it</li>
<li>Separate page for events</li>
<li>Completely customizable layout</li>
<li>Multi language</li>
<li>Link events to pages/posts</li>
<li>Set a start and end time (duration) for events</li>
<li>Set locations for events</li>
<li>Show events in your sidebar</li>
<li>Archive events</li>
<li>Edit existing events</li>
<li>Auto remove old, non-archived events</li>
<li>Unlimited dateformats to show events dates</li>
<li>Options page</li>
<li>Set a date and time to the minute</li>
<li>Set a message to show before and another one to show after the event occurs</li>
<li>User level restriction</li>
<li>Management page</li>
<li>Set amount of events to show in the sidebar</li>
<li>Un-install option to remove the database table</li>
<li>And more, see for yourself…</li>
</ul>

Events Handler – The Events Plugin

Events Handler enables to manage events and future happenings and show them on your wordpress site.

Events Handler – The Events Plugin vs RegistrationMagic – User Registration Forms Plugin