If you don't need a calendar anymore, you can permanently delete it or unsubscribe from it. If you think you might need the calendar later, you can hide it instead. Options for removing calendars| support.google.com
You can share your calendar publicly so anyone can check it. How public calendars work When you make a calendar public, other| support.google.com
Important: If you have a work or school account, your administrator controls your ability to share your calendar. If you can't share a calendar, contact your administrator. In Google Calendar, you ca| support.google.com