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Delete a calendar on iCloud.com
When you delete a calendar from your Calendars list, all events associated with the calendar are also deleted.
You can’t delete all of the calendars in the list because the Calendars list must always contain at least one calendar.
WARNING: When you delete a calendar, it’s deleted from every device that has iCloud Calendar turned on.
In Calendar on iCloud.com, click Edit at the bottom of the sidebar.
Click
to the right of the calendar’s name, then click Delete.Click Done.
If you accidentally delete iCloud calendars or events, you can use iCloud.com to restore them. See Restore contacts, calendars, bookmarks, and more using iCloud.com.
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