If you have the CiviCRM Entities module (2.x version) and the Calendar module then in Views you should find that you can use "Add from template" and there is a template for Civi Event.
Previous to the 2.x version of Entities the View needed hand crafting and there is an example attached.
| Attachment | Size |
|---|---|
| civi event.txt | 13.31 KB |