View this specific Lynda training video -> Creating Additional Calendars 
If you have never login to Lynda use the following instructions to begin:
click on this link -> Lynda.uni.edu 
- Use your CATID to login to the training location
- Under “Software” you will find Google Calendar listed in the “G” section along with several other Google topics
- Select “Google Calendar Essential Training”
- Scroll down to the item titled “Adding Calendars”
Note: The maximum number of additional calendars that can be created in one account is 36.