Make your blog interesting with The Events Calendar plugin for wordpress. This plugin enables you to rapidly create and manage every events. And also the plugin  already integrated with Google Maps as well as default templates such as a calendar grid and event list, widget and so much more. Looking for recurring events, the ability to sell tickets, manage conference schedules, accept user submitted events automatically and more. The plugin are  available premium and community add-ons.
Here, The Events Calendar 2.0 Features :

1. Event custom post type
2. Easily manage events
3. Upcoming Events Widget
4. Provides full template to complement the 2010 & 2011 theme out of the box (month and list view)
5. Extensive template tags for customization
6. MU Compatible
7. Google Maps Integration
8. Calendar Month view with tooltips
9. Includes support for venue, cost, address, start and end time, google maps link.

Events Calendar Pro Features :

1. Recurring events
2. Saved venues & organizers
3. Custom events attributes
4. Advanced events manager
5. Venue view
6. Single day view
7. Ajax calendar
8. Advanced widgets
9. Gcal / ical user download (import)
10. and lots more.

Check it out here for Calender Pro or Download Here