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How to delete your Facebook account
(www.theverge.com)
This is a most excellent place for technology news and articles.
Not sure if this could work, but did you try using a VPN to log in from an EU country?
Honestly don't know how the GDPR might affect this, but might be worth a try
I tried tor browser (and just made sure the exit node was in Europe) since I don't have a vpn and it worked thank you!