calendar

Thanks for the update. You can find the steps to delete unwanted calendars in your Mac here:

Add or delete calendars on Mac - Apple Support

Delete a calendar

1. In the Calendar app  on your Mac, click the calendar’s name in the calendar list.

If you don’t see the calendar list on the left, choose View > Show Calendar List.

2. Choose Edit > Delete.

If it's a calendar subscription, the steps are just a bit different:

Subscribe to calendars on Mac - Apple Support

Unsubscribe from a calendar

If you want to stop subscribing to someone else’s calendar, you can unsubscribe from it.

1. In the Calendar app  on your Mac, Control-click the calendar in the calendar list, then choose Unsubscribe.

If you don’t see the calendar list on the left, choose View > Show Calendar List.

For the future, this is a great article about how to avoid phishing scams:

Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support

Cheers.

Greetings Curl4302,

If you are seeing unexpected events in Calendar on your iPhone, follow the guidance found here:

Delete spam calendars and events on iPhone - Apple Support

Take care.

Hey Christine,

That is fabulous news. Great job!

Take care!