Yes, it is possible for someone to remove themselves from a Facebook event. Here are the steps to do so:
1. Open the Facebook app or website and log in to your account.
2. Navigate to the event from which you want to remove yourself. You can do this by clicking on the "Events" tab on the left side of the Facebook homepage or by searching for the event in the search bar at the top of the page.
3. Once you have found the event, click on it to open the event page.
4. On the event page, you should see options such as "Interested," "Going," or "Tickets." Click on the option that represents your current status for the event.
5. A dropdown menu will appear with various options. Look for the option to "Remove Me from Event" or something similar. Click on it.
6. A confirmation dialog box may appear, asking if you're sure you want to remove yourself from the event. Confirm your decision by clicking "Remove" or "OK."
Following these steps will allow you to remove yourself from a Facebook event.