Choose a calendar to use as the default when new calendars are created.
To set the default global calendar:
- Click Administration.
 - On the Administration navigation bar, click Enterprise Data.
 - On the Enterprise Data page, expand Global and click Global Calendar.
 - On the Global Calendar page: 
- Click on the calendar you want to designate as the default calendar.
 - Click Row Actions and select Set as Default Calendar.
 - Click Save.