How do I unsubscribe a calendar subscription when not using Google Calendar?

This depends on which application you are using to subscribe to a calendar. The most common of these is ICSx5. This application will be used as an example how to unsubscribe.

Step 1
Open the ICSx5 application and tap on the calendar you wish to remove.
Open the ICSx5 application and tap on the calendar you wish to remove.
Step 2
Tap .
Tap .
Step 3
Tap Unsubscribe.
Tap Unsubscribe.