How to get rid of calendar spam iPhone
How to get rid of calendar spam on an iPhone.
Question marked as
Go to Settings-->>Passwords & Accounts and under Accounts see if an unknown calendar account is listed. If it is then tap on it and then Delete account.
Note that it is not a virus. It is something that got added to your calendar because you may have accepted an offer from a pop-up on a website unknowingly. Please be careful out there,
Good Luck.
Axel F