The Calendar module was developed to display Views results in a calendar format. It will handle any kind of date field that Views allows, including CCK date fields, event fields, node created and edited fields, etc.
You can see a mini calendar view in the sidebar. That's the block view of the calendar view. Click on the month or day name to go to a full view. When in the full view you will see a legend in the sidebar that identifies calendar entries by field and content type.
There are two calendar views set up on this system: