How do I permanently delete a calendar event?

To remove an event from your calendar:
  1. On your Android phone or tablet, open the Google Calendar app .
  2. Open the event you want to delete.
  3. In the top right, tap More .
  4. Tap Delete Delete.

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Why can’t I delete calendar events on iPhone?

Sometimes, the events on your phone’s iCloud calendar may fail to sync. … Turn off iCloud sharing for all your calendars. This should delete all the calendar data and events from your iPhone. Then, enable iCloud sharing and the problematic event should be gone now.